CVE-2023-4863

HIGH CISA KEV EPSS 100.0%
Published Sep 12, 20232y ago · Modified Jun 17, 20262w ago
8.8 CVSS 3.1
High
Find Similar
Published Sep 12, 2023 2y ago
Last Modified Jun 17, 2026 2w ago
KEV Listed Sep 13, 2023 2y ago
KEV Due Oct 4, 2023 1001d overdue

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 Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

CISA Known Exploited Overdue 1001d
Added
Sep 13, 2023
Due
Oct 4, 2023

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS Exploit Probability
100.0% percentile
Exploit & Patch Status
Actively Exploited (KEV)
Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 20

VendorProductVersionRange
googlechrome* <116.0.5845.187
fedoraprojectfedora37any
fedoraprojectfedora38any
fedoraprojectfedora39any
debiandebian_linux10.0any
debiandebian_linux11.0any
debiandebian_linux12.0any
mozillafirefox* <102.15.1
mozillafirefox* <117.0.1
mozillafirefox*≥115.1.0  –  <115.2.1
mozillathunderbird* <102.15.1
mozillathunderbird*≥115.0  –  <115.2.2
microsoftedge_chromium* <116.0.1938.81
microsoftteams* <1.6.00.26463
microsoftteams* <1.6.00.26474
microsoftwebp_image_extension* <1.0.62681.0
webmprojectlibwebp* <1.3.2
netappactive_iq_unified_manager*any
bentleyseequent_leapfrog* <2023.2
bandisofthoneyview* <5.51

References 47

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

Remediation

  • github.com https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a
    Patch
  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863
    PatchThird Party Advisory