CVE-2020-8450

highPriorität · beachten · 54EPSS 0.718 · 99. PerzentilDEEURUUS
grimoire priorityP1 · Urgent
Exploitable?
—
no known exploitation
Likely / severe?
71.8% (99th) EPSS
CVSS 7.5 · high
Is it mine?
82 products
Prüfe deine Angriffsfläche
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · bewertet 2026-10-27

An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.

01

Behebungen

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

Ein Hersteller-Fix ist verfügbar.

  • Behobensquid-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-7:3.5.20-17.el7_9.4.src as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-7:3.5.20-17.el7_9.4.src as a component of Red Hat Enterprise Linux Workstation (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-debuginfo-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-debuginfo-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-debuginfo-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-debuginfo-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-debuginfo-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-debuginfo-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-debuginfo-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-debuginfo-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-debuginfo-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-debuginfo-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-migration-script-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-migration-script-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-migration-script-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-migration-script-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-migration-script-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-sysvinit-7:3.5.20-17.el7_9.4.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-sysvinit-7:3.5.20-17.el7_9.4.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-sysvinit-7:3.5.20-17.el7_9.4.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-sysvinit-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
  • Behobensquid-sysvinit-7:3.5.20-17.el7_9.4.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)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 this update, the squid service will be restarted automatically.

    https://access.redhat.com/errata/RHSA-2020:4082
02

cvss

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

7.5
010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5.9–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 6.4
v3.17.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Lprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 3.4
v3.17.3highAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · FSTEC (BDU) RU
v3.17.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:Hsecondary · CVSS-BT (t0sche)
v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Red Hat Product Security US
03

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

04

betroffene Produkte (82)

Betroffene Produkte und Versionsbereiche.

05

Advisories (2)

Hersteller- und Ökosystem-Meldungen dazu.

  • RHSA-2020:4082Red Hat Security Advisory: squid security update2020-09-30csaf · redhat_csafUS

    An update for squid is now available for Red Hat Enterprise Linux 7. 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.

  • WID-SEC-W-2023-1361Squid: Mehrere SchwachstellenDeutsch2020-02-03csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Squid ausnutzen, um Informationen offenzulegen, einen Denial of Service zu verursachen, Sicherheitsvorkehrungen zu umgehen oder Code zur Ausführung zu bringen.

06

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

07

quellen

Welche Quellen diesen Datensatz belegen und wann.

veröffentlicht 2020-02-04geändert 2026-06-17
09

Referenzen (66)

Externe Belege — Patches, Meldungen, Analysen.

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