vulnerability

Red Hat: CVE-2023-1999: Double-free in libwebp (Multiple Advisories)

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Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Apr 14, 2023
Added
May 1, 2023
Modified
Jul 9, 2025

Description

There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free.

Solution(s)

no-fix-redhat-rpm-packageredhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-firefox-x11redhat-upgrade-libwebpredhat-upgrade-libwebp-debuginforedhat-upgrade-libwebp-debugsourceredhat-upgrade-libwebp-develredhat-upgrade-libwebp-javaredhat-upgrade-libwebp-java-debuginforedhat-upgrade-libwebp-toolsredhat-upgrade-libwebp-tools-debuginforedhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource

References

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