CVE-2020-12390

highPriorität · verfolgen · 40EPSS 0.016 · 76. PerzentilEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.62% (76th) EPSS

CVSS 7.5 · high

Is it mine?

15 products

Prüfe deine Angriffsfläche

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · redhat_csaf

EPSS · bewertet 2026-10-27

Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks. This vulnerability affects Firefox < 76.

Behebungen

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

Ein Hersteller-Fix ist verfügbar.

Behobenfirefox-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557
Behobenfirefox-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557
Behobenfirefox-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557
Behobenfirefox-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557
Behobenfirefox-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557
Behobenfirefox-debuginfo-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557
Behobenfirefox-debuginfo-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557
Behobenfirefox-debuginfo-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557
Behobenfirefox-debuginfo-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557
Behobenfirefox-debugsource-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557
Behobenfirefox-debugsource-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557
Behobenfirefox-debugsource-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557
Behobenfirefox-debugsource-0:78.2.0-2.el8_2.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 After installing the update, Firefox must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:3557

cvss

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

9.8

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · Red Hat Product Security US

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-502USprimärCWE-502US

betroffene Produkte (15)

Betroffene Produkte und Versionsbereiche.

Mozilla Firefoxunspecified → 76enisa_euvdEU
mozilla firefox< 76.0nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
firefox-0:78.2.0-2.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS
firefox-0:78.2.0-2.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS
firefox-0:78.2.0-2.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS
firefox-0:78.2.0-2.el8_2.src as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS
firefox-0:78.2.0-2.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS
firefox-debuginfo-0:78.2.0-2.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS
firefox-debuginfo-0:78.2.0-2.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS
firefox-debuginfo-0:78.2.0-2.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS
firefox-debuginfo-0:78.2.0-2.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS
firefox-debugsource-0:78.2.0-2.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS
firefox-debugsource-0:78.2.0-2.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS
firefox-debugsource-0:78.2.0-2.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS
firefox-debugsource-0:78.2.0-2.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)alle Versionenfixedredhat_csafUS

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

RHSA-2020:3557Red Hat Security Advisory: firefox security update2020-08-26csaf · redhat_csafUS
An update for firefox is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. 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.

auch bekannt als (3)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

veröffentlicht 2020-05-26geändert 2026-06-17

verwandt (3,746)

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+3741 weitere

Referenzen (11)

Externe Belege — Patches, Meldungen, Analysen.

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