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OpenAdvisories
Medium RHSA-2023:2076 1 CVE

Red Hat Security Advisory: libwebp security update

Published Sep 16, 2024 · Updated Nov 22, 2025

Ecosystem: Red Hat

Fixed packages 6

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::appstream libwebp 0:1.0.0-8.el8_7
Red Hat · RHEL 8 enterprise_linux:8::appstream libwebp-debuginfo 0:1.0.0-8.el8_7
Red Hat · RHEL 8 enterprise_linux:8::appstream libwebp-debugsource 0:1.0.0-8.el8_7
Red Hat · RHEL 8 enterprise_linux:8::appstream libwebp-devel 0:1.0.0-8.el8_7
Red Hat · RHEL 8 enterprise_linux:8::appstream libwebp-java-debuginfo 0:1.0.0-8.el8_7
Red Hat · RHEL 8 enterprise_linux:8::appstream libwebp-tools-debuginfo 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…

    Chromium libwebp thunderbird mozjs38 Debian Ubuntu Azure Linux Alpine

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186102
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_2076.json
  • report
    https://access.redhat.com/security/cve/CVE-2023-1999
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-1999
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-1999
  • article
    https://www.mozilla.org/en-US/security/advisories/mfsa2023-14/#CVE-2023-1999
  • article
    https://www.mozilla.org/en-US/security/advisories/mfsa2023-15/#CVE-2023-1999