vulnerability

Red Hat: CVE-2023-6857: Mozilla: Symlinks may resolve to smaller than expected buffers (Multiple Advisories)

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Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
Dec 19, 2023
Added
Jan 3, 2024
Modified
Jul 9, 2025

Description

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

Solution(s)

no-fix-redhat-rpm-packageredhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-firefox-x11redhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource

References

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