CVE-2023-4863

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...

Basic Information

CVE State: PUBLISHED
Reserved Date: September 09, 2023
Published Date: September 12, 2023
Last Updated: February 13, 2025
Vendor: Google
Product: Chrome, libwebp
Description: 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)

CVSS Scores

CVSS v3.1

8.8 - HIGH

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC Information

Exploitation: active
Technical Impact: total

Exploit Status

Exploited in the Wild: Yes (added 2023-09-13 00:00:00 UTC) Source
Proof of Concept Available: Yes (added 2023-09-25 22:10:32 UTC) Source

References

https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html https://crbug.com/1479274 https://en.bandisoft.com/honeyview/history/ https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/ https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/ https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863 https://security-tracker.debian.org/tracker/CVE-2023-4863 https://bugzilla.suse.com/show_bug.cgi?id=1215231 https://news.ycombinator.com/item?id=37478403 https://www.bleepingcomputer.com/news/google/google-fixes-another-chrome-zero-day-bug-exploited-in-attacks/ https://www.debian.org/security/2023/dsa-5496 https://www.debian.org/security/2023/dsa-5497 https://lists.fedoraproject.org/archives/list/[email protected]/message/OZDGWWMJREPAGKWCJKSCM4WYLANSKIFX/ https://lists.fedoraproject.org/archives/list/[email protected]/message/FYYKLG6CRGEDTNRBSU26EEWAO6D6U645/ https://lists.fedoraproject.org/archives/list/[email protected]/message/PYZV7TMKF4QHZ54SFJX54BDN52VHGGCX/ https://lists.debian.org/debian-lts-announce/2023/09/msg00015.html https://lists.fedoraproject.org/archives/list/[email protected]/message/WHOLML7N2G5KCAZXFWC5IDFFHSQS5SDB/ https://www.debian.org/security/2023/dsa-5498 https://security.gentoo.org/glsa/202309-05 https://lists.debian.org/debian-lts-announce/2023/09/msg00016.html https://lists.fedoraproject.org/archives/list/[email protected]/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/ https://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/ https://github.com/webmproject/libwebp/releases/tag/v1.3.2 https://lists.debian.org/debian-lts-announce/2023/09/msg00017.html https://lists.fedoraproject.org/archives/list/[email protected]/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/ http://www.openwall.com/lists/oss-security/2023/09/21/4 https://blog.isosceles.com/the-webp-0day/ http://www.openwall.com/lists/oss-security/2023/09/22/1 http://www.openwall.com/lists/oss-security/2023/09/22/3 http://www.openwall.com/lists/oss-security/2023/09/22/4 http://www.openwall.com/lists/oss-security/2023/09/22/5 http://www.openwall.com/lists/oss-security/2023/09/22/8 http://www.openwall.com/lists/oss-security/2023/09/22/7 http://www.openwall.com/lists/oss-security/2023/09/22/6 http://www.openwall.com/lists/oss-security/2023/09/26/1 http://www.openwall.com/lists/oss-security/2023/09/26/7 http://www.openwall.com/lists/oss-security/2023/09/28/1 http://www.openwall.com/lists/oss-security/2023/09/28/2 http://www.openwall.com/lists/oss-security/2023/09/28/4 https://security.netapp.com/advisory/ntap-20230929-0011/ https://lists.fedoraproject.org/archives/list/[email protected]/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/ https://sethmlarson.dev/security-developer-in-residence-weekly-report-16 https://www.bentley.com/advisories/be-2023-0001/ https://security.gentoo.org/glsa/202401-10

Known Exploited Vulnerability Information

Source	Added Date
CISA	2023-09-13 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

LiveOverflow/webp-CVE-2023-4863

Type: github • Created: 2023-12-18 23:12:25 UTC • Stars: 48

huiwen-yayaya/CVE-2023-4863

Type: github • Created: 2023-11-11 06:51:03 UTC • Stars: 2

talbeerysec/BAD-WEBP-CVE-2023-4863

Type: github • Created: 2023-09-25 22:10:32 UTC • Stars: 2

BAD-WEBP-CVE-2023-4863

bbaranoff/CVE-2023-4863

Type: github • Created: 2023-09-25 10:33:09 UTC • Stars: 6

mistymntncop/CVE-2023-4863

Type: github • Created: 2023-09-21 05:22:51 UTC • Stars: 314