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Race Condition Affecting firefox package, versions <0:115.6.0-1.el8_9

high
0
10

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Scope Changed

    Threat Intelligence

    EPSS 0.08% (35th percentile)
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NVD
5.3 medium
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Red Hat
6.1 medium
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SUSE
5.3 medium

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  • Snyk ID SNYK-CENTOS8-FIREFOX-6133175
  • published 20 Dec 2023
  • disclosed 19 Dec 2023
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Introduced: 19 Dec 2023

CVE-2023-6857 Open this link in a new tab
CWE-363 Open this link in a new tab

How to fix?

Upgrade Centos:8 firefox to version 0:115.6.0-1.el8_9 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

When resolving a symlink, a race may occur where the buffer passed to readlink may actually be smaller than necessary. This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.