{"id":"UBUNTU-CVE-2023-4863","details":"Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)","modified":"2026-04-22T16:57:10.725163Z","published":"2023-09-12T15:15:00Z","related":["USN-6367-1","USN-6368-1","USN-6369-1","USN-6369-2"],"upstream":["CVE-2023-4863"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-4863"},{"type":"REPORT","url":"https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html"},{"type":"REPORT","url":"https://chromium.googlesource.com/webm/libwebp.git/+/902bc9190331343b2017211debcec8d2ab87e17a"},{"type":"REPORT","url":"https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6367-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6368-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6369-1"},{"type":"REPORT","url":"https://blog.isosceles.com/the-webp-0day/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6369-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-4863"},{"type":"REPORT","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog"}],"affected":[{"package":{"name":"libwebp","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libwebp@0.6.1-2ubuntu0.18.04.2+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1-2ubuntu0.18.04.2+esm1"}]}],"versions":["0.6.0-3","0.6.0-4","0.6.1-1","0.6.1-2","0.6.1-2ubuntu0.18.04.1","0.6.1-2ubuntu0.18.04.2"],"ecosystem_specific":{"binaries":[{"binary_name":"libwebp6","binary_version":"0.6.1-2ubuntu0.18.04.2+esm1"},{"binary_name":"libwebpdemux2","binary_version":"0.6.1-2ubuntu0.18.04.2+esm1"},{"binary_name":"libwebpmux3","binary_version":"0.6.1-2ubuntu0.18.04.2+esm1"},{"binary_name":"webp","binary_version":"0.6.1-2ubuntu0.18.04.2+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-4863.json"}},{"package":{"name":"firefox","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/firefox@117.0.1+build2-0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"117.0.1+build2-0ubuntu0.20.04.1"}]}],"versions":["69.0.3+build1-0ubuntu1","70.0+build2-0ubuntu1","70.0+build2-0ubuntu2","70.0.1+build1-0ubuntu2","71.0+build2-0ubuntu2","71.0+build5-0ubuntu1","72.0.1+build1-0ubuntu1","72.0.2+build1-0ubuntu1","73.0+build1-0ubuntu1","73.0+build2-0ubuntu1","73.0+build3-0ubuntu1","73.0.1+build1-0ubuntu1","74.0+build1-0ubuntu1","74.0+build2-0ubuntu1","74.0+build2-0ubuntu2","74.0+build3-0ubuntu1","75.0+build3-0ubuntu1","76.0+build2-0ubuntu0.20.04.1","76.0.1+build1-0ubuntu0.20.04.1","77.0.1+build1-0ubuntu0.20.04.1","78.0.1+build1-0ubuntu0.20.04.1","78.0.2+build2-0ubuntu0.20.04.1","79.0+build1-0ubuntu0.20.04.1","80.0+build2-0ubuntu0.20.04.1","80.0.1+build1-0ubuntu0.20.04.1","81.0+build2-0ubuntu0.20.04.1","81.0.2+build1-0ubuntu0.20.04.1","82.0+build2-0ubuntu0.20.04.1","82.0.2+build1-0ubuntu0.20.04.1","82.0.3+build1-0ubuntu0.20.04.1","83.0+build2-0ubuntu0.20.04.1","84.0+build3-0ubuntu0.20.04.1","84.0.1+build1-0ubuntu0.20.04.1","84.0.2+build1-0ubuntu0.20.04.1","85.0+build1-0ubuntu0.20.04.1","85.0.1+build1-0ubuntu0.20.04.1","86.0+build3-0ubuntu0.20.04.1","86.0.1+build1-0ubuntu0.20.04.1","87.0+build3-0ubuntu0.20.04.2","88.0+build2-0ubuntu0.20.04.1","88.0.1+build1-0ubuntu0.20.04.2","89.0+build2-0ubuntu0.20.04.2","89.0.1+build1-0ubuntu0.20.04.1","89.0.2+build1-0ubuntu0.20.04.1","90.0+build1-0ubuntu0.20.04.1","90.0.2+build1-0ubuntu0.20.04.1","91.0+build2-0ubuntu0.20.04.1","91.0.1+build1-0ubuntu0.20.04.1","91.0.2+build1-0ubuntu0.20.04.1","92.0+build3-0ubuntu0.20.04.1","93.0+build1-0ubuntu0.20.04.1","94.0+build3-0ubuntu0.20.04.1","95.0+build1-0ubuntu0.20.04.1","95.0.1+build2-0ubuntu0.20.04.1","96.0+build2-0ubuntu0.20.04.1","97.0+build2-0ubuntu0.20.04.1","97.0.2+build1-0ubuntu0.20.04.1","98.0+build3-0ubuntu0.20.04.2","98.0.1+build2-0ubuntu0.20.04.1","98.0.2+build1-0ubuntu0.20.04.1","99.0+build2-0ubuntu0.20.04.2","100.0+build2-0ubuntu0.20.04.1","100.0.2+build1-0ubuntu0.20.04.1","101.0.1+build1-0ubuntu0.20.04.1","102.0+build2-0ubuntu0.20.04.1","103.0+build1-0ubuntu0.20.04.1","104.0+build3-0ubuntu0.20.04.1","105.0+build2-0ubuntu0.20.04.1","106.0.2+build1-0ubuntu0.20.04.1","106.0.5+build1-0ubuntu0.20.04.1","107.0+build2-0ubuntu0.20.04.1","108.0+build2-0ubuntu0.20.04.1","108.0.1+build1-0ubuntu0.20.04.1","108.0.2+build1-0ubuntu0.20.04.1","109.0+build2-0ubuntu0.20.04.1","109.0.1+build1-0ubuntu0.20.04.2","110.0+build3-0ubuntu0.20.04.1","110.0.1+build2-0ubuntu0.20.04.1","111.0+build2-0ubuntu0.20.04.1","111.0.1+build2-0ubuntu0.20.04.1","112.0+build2-0ubuntu0.20.04.1","112.0.1+build1-0ubuntu0.20.04.1","112.0.2+build1-0ubuntu0.20.04.1","113.0+build2-0ubuntu0.20.04.1","113.0.1+build1-0ubuntu0.20.04.1","113.0.2+build1-0ubuntu0.20.04.1","114.0+build3-0ubuntu0.20.04.1","114.0.1+build1-0ubuntu0.20.04.1","114.0.2+build1-0ubuntu0.20.04.1","115.0+build2-0ubuntu0.20.04.3","115.0.2+build1-0ubuntu0.20.04.1","116.0+build2-0ubuntu0.20.04.2","116.0.2+build1-0ubuntu0.20.04.1","116.0.3+build2-0ubuntu0.20.04.1","117.0+build2-0ubuntu0.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"firefox","binary_version":"117.0.1+build2-0ubuntu0.20.04.1"},{"binary_name":"firefox-geckodriver","binary_version":"117.0.1+build2-0ubuntu0.20.04.1"},{"binary_name":"firefox-mozsymbols","binary_version":"117.0.1+build2-0ubuntu0.20.04.1"}],"availability":"No 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