CVE-2021-30661

mediumPriorität · handeln · 90OT-Risiko · kritischKEV · ausgenutztEPSS 0.045 · 91. PerzentilEURUUS
grimoire priorityP0 · Act now
Exploitable?
Yes · in the wild
CISA KEV
Likely / severe?
4.49% (91st) EPSS
CVSS 6.8 · medium
Is it mine?
1,281 products
Prüfe deine Angriffsfläche
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · nvd

hinzugefügt 2021-11-03beheben bis 2021-11-17

erforderliche Maßnahme Apply updates per vendor instructions.

EPSS · bewertet 2026-10-27

Apple Multiple Products WebKit Storage Use-After-Free Vulnerability

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1, iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

01

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

  • Behobenwebkit2gtk3-0:2.30.4-1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-0:2.30.4-1.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-0:2.30.4-1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-0:2.30.4-1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-0:2.30.4-1.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-0:2.30.4-1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-debuginfo-0:2.30.4-1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-debuginfo-0:2.30.4-1.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-debuginfo-0:2.30.4-1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-debuginfo-0:2.30.4-1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-debuginfo-0:2.30.4-1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-debugsource-0:2.30.4-1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-debugsource-0:2.30.4-1.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-debugsource-0:2.30.4-1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-debugsource-0:2.30.4-1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-debugsource-0:2.30.4-1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-devel-0:2.30.4-1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-devel-0:2.30.4-1.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-devel-0:2.30.4-1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-devel-0:2.30.4-1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-devel-0:2.30.4-1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-devel-debuginfo-0:2.30.4-1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-devel-debuginfo-0:2.30.4-1.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-devel-debuginfo-0:2.30.4-1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-devel-debuginfo-0:2.30.4-1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-devel-debuginfo-0:2.30.4-1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-0:2.30.4-1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-0:2.30.4-1.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-0:2.30.4-1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-0:2.30.4-1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-0:2.30.4-1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-debuginfo-0:2.30.4-1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-debuginfo-0:2.30.4-1.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-debuginfo-0:2.30.4-1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-debuginfo-0:2.30.4-1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-debuginfo-0:2.30.4-1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-devel-0:2.30.4-1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-devel-0:2.30.4-1.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-devel-0:2.30.4-1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-devel-0:2.30.4-1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-devel-0:2.30.4-1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-devel-debuginfo-0:2.30.4-1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-devel-debuginfo-0:2.30.4-1.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-devel-debuginfo-0:2.30.4-1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-devel-debuginfo-0:2.30.4-1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
  • Behobenwebkit2gtk3-jsc-devel-debuginfo-0:2.30.4-1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 GDM must be restarted for this update to take effect.

    https://access.redhat.com/errata/RHSA-2021:1586
02

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

8.8
010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 6.8–8.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USAusnutzbarkeit 8.6 · Auswirkung 6.4
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USAusnutzbarkeit 2.8 · Auswirkung 5.9
v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HsecondaryAusnutzbarkeit 2.8 · Auswirkung 5.9
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · Red Hat Product Security US
03

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-416USprimärCWE-20USCWE-416US
05

betroffene Produkte (1,281)

Betroffene Produkte und Versionsbereiche.

20 von 1,281 angezeigt
06

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

  • RHSA-2021:1586Red Hat Security Advisory: GNOME security, bug fix, and enhancement update2021-05-18csaf · redhat_csafUS

    An update for GNOME is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

07

auch bekannt als (5)

Weitere Namen und Kennungen dieser Entität.

08

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvdenisa_euvdfstec_bdunvdredhat_csafNVDCVE.orgMITRE
veröffentlicht 2021-09-08geändert 2026-06-17
10

Referenzen (33)

Externe Belege — Patches, Meldungen, Analysen.

scry

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