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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…
High8.8Known exploitedEPSS 100.0%
- Published
- Updated
- Reserved
- Assigned by
- Chrome
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)
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Google Chromium WebP Heap-Based Buffer Overflow Vulnerability.
- Added
- 13 Sept 2023
- Fix due (US federal)
- 4 Oct 2023
- Used by ransomware
- Not known
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 100.0% · top 0.1% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
- Heap buffer overflow
- CWE-787 Out-of-bounds Write (opens in a new tab)All about CWE-787 and its CVEs
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/chai2010/webpGHSA-j7hp-h8jx-5ppr (opens in a new tab)
- NuGetSkiaSharpGHSA-j7hp-h8jx-5ppr (opens in a new tab)
- NuGetmagick.net-q16-anycpuGHSA-j7hp-h8jx-5ppr (opens in a new tab)
- NuGetmagick.net-q16-hdri-anycpuGHSA-j7hp-h8jx-5ppr (opens in a new tab)
- NuGetmagick.net-q16-x64GHSA-j7hp-h8jx-5ppr (opens in a new tab)
- NuGetmagick.net-q8-anycpuGHSA-j7hp-h8jx-5ppr (opens in a new tab)
- NuGetmagick.net-q8-openmp-x64GHSA-j7hp-h8jx-5ppr (opens in a new tab)
- NuGetmagick.net-q8-x64GHSA-j7hp-h8jx-5ppr (opens in a new tab)
- PyPIPillowGHSA-j7hp-h8jx-5ppr (opens in a new tab)
- crates.iolibwebp-sysGHSA-j7hp-h8jx-5ppr (opens in a new tab)
- crates.iolibwebp-sys2GHSA-j7hp-h8jx-5ppr (opens in a new tab)
- crates.iowebpGHSA-j7hp-h8jx-5ppr (opens in a new tab)
- npmelectronGHSA-j7hp-h8jx-5ppr (opens in a new tab)
References (47)
- https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html (opens in a new tab)x_transferred
- https://crbug.com/1479274 (opens in a new tab)x_transferred
- https://en.bandisoft.com/honeyview/history/ (opens in a new tab)x_transferred
- https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/ (opens in a new tab)x_transferred
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/ (opens in a new tab)x_transferred
- https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a (opens in a new tab)x_transferred
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863 (opens in a new tab)x_transferred
- https://security-tracker.debian.org/tracker/CVE-2023-4863 (opens in a new tab)x_transferred
- https://bugzilla.suse.com/show_bug.cgi?id=1215231 (opens in a new tab)x_transferred
- https://news.ycombinator.com/item?id=37478403 (opens in a new tab)x_transferred
- https://www.bleepingcomputer.com/news/google/google-fixes-another-chrome-zero-day-bug-exploited-in-attacks/ (opens in a new tab)x_transferred
- https://www.debian.org/security/2023/dsa-5496 (opens in a new tab)x_transferred
- https://www.debian.org/security/2023/dsa-5497 (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/OZDGWWMJREPAGKWCJKSCM4WYLANSKIFX/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/FYYKLG6CRGEDTNRBSU26EEWAO6D6U645/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/PYZV7TMKF4QHZ54SFJX54BDN52VHGGCX/ (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2023/09/msg00015.html (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/WHOLML7N2G5KCAZXFWC5IDFFHSQS5SDB/ (opens in a new tab)x_transferred
- https://www.debian.org/security/2023/dsa-5498 (opens in a new tab)x_transferred
- https://security.gentoo.org/glsa/202309-05 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2023/09/msg00016.html (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/ (opens in a new tab)x_transferred
- https://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/ (opens in a new tab)x_transferred
- https://github.com/webmproject/libwebp/releases/tag/v1.3.2 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2023/09/msg00017.html (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/ (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/21/4 (opens in a new tab)x_transferred
- https://blog.isosceles.com/the-webp-0day/ (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/22/1 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/22/3 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/22/4 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/22/5 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/22/8 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/22/7 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/22/6 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/26/1 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/26/7 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/28/1 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/28/2 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/28/4 (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20230929-0011/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/ (opens in a new tab)x_transferred
- https://sethmlarson.dev/security-developer-in-residence-weekly-report-16 (opens in a new tab)x_transferred
- https://www.bentley.com/advisories/be-2023-0001/ (opens in a new tab)x_transferred
- https://security.gentoo.org/glsa/202401-10 (opens in a new tab)x_transferred
- https://www.vicarius.io/vsociety/posts/zero-day-webp-vulnerability-cve-2023-4863 (opens in a new tab)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4863 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-j7hp-h8jx-5ppr (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-4863)Record last updated .