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OpenAdvisories
High RLSA-2023:2076 1 CVE

Important: libwebp security update

Published May 25, 2023 · Updated Feb 5, 2026

Summary

The libwebp packages provide a library and tools for the WebP graphics format. WebP is an image format with a lossy compression of digital photographic images. WebP consists of a codec based on the VP8 format, and a container based on the Resource Interchange File Format (RIFF). Webmasters, web developers and browser developers can use WebP to compress, archive, and distribute digital images more efficiently.

Security Fix(es):

* Mozilla: libwebp: Double-free in libwebp (CVE-2023-1999)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 libwebp 0:1.0.0-8.el8_7

Vulnerabilities 1

  • Medium 5.3
    CVE-2023-1999 Public exploit

    Use after free in libwebp

    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 encode…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186102