CVE-2023-4863

HIGH

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 v3.1 Score

8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 9/12/2023Modified: 6/17/2026

Related Intelligence (2)

CRITICALVulnerability

Mitsubishi Electric GENESIS, GENESIS64, ICONICS Suite, Hyper Historian, AnalytiX, MobileHMI, IoTWorX, MC Works64, GENESIS32 and BizViz

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-300-02.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code (CVE-2023-4863), bypass authentication (CVE-2026-16436 and CVE-2026-16437), or perform arbitrary operations (CVE-2026-16438), resulting

CVE-2023-4863CVE-2026-16436
CISA Advisories
CRITICALVulnerability

Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions GENESIS, GENESIS64, ICONICS Suite, Hyper Historian, AnalytiX, MobileHMI, IoTWorX, MC Works64, GENESIS32 and BizViz

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-300-02.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code (CVE-2023-4863), bypass authentication (CVE-2026-16436 and CVE-2026-16437), or perform arbitrary operations (CVE-2026-16438), resulting

CVE-2023-4863CVE-2026-16436
CISA Advisories

References (92)

http://www.openwall.com/lists/oss-security/2023/09/21/4Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/1Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/3Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/4Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/5Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/6Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/7Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/8Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/26/1Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/26/7Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/28/1Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/28/2Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/28/4Mailing Listhttps://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/Third Party Advisoryhttps://blog.isosceles.com/the-webp-0day/ExploitThird Party Advisoryhttps://bugzilla.suse.com/show_bug.cgi?id=1215231Issue TrackingThird Party Advisoryhttps://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.htmlVendor Advisoryhttps://crbug.com/1479274Issue TrackingVendor Advisoryhttps://en.bandisoft.com/honeyview/history/Release Noteshttps://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17aPatchhttps://github.com/webmproject/libwebp/releases/tag/v1.3.2Release Noteshttps://lists.debian.org/debian-lts-announce/2023/09/msg00015.htmlMailing ListThird Party Advisoryhttps://lists.debian.org/debian-lts-announce/2023/09/msg00016.htmlMailing ListThird Party Advisoryhttps://lists.debian.org/debian-lts-announce/2023/09/msg00017.htmlMailing ListThird Party Advisoryhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/Mailing Listhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FYYKLG6CRGEDTNRBSU26EEWAO6D6U645/Mailing Listhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/Mailing Listhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OZDGWWMJREPAGKWCJKSCM4WYLANSKIFX/Mailing Listhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PYZV7TMKF4QHZ54SFJX54BDN52VHGGCX/Mailing Listhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHOLML7N2G5KCAZXFWC5IDFFHSQS5SDB/Mailing Listhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/Mailing Listhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863PatchThird Party Advisoryhttps://news.ycombinator.com/item?id=37478403ExploitThird Party Advisoryhttps://security-tracker.debian.org/tracker/CVE-2023-4863Issue TrackingThird Party Advisoryhttps://security.gentoo.org/glsa/202309-05Third Party Advisoryhttps://security.gentoo.org/glsa/202401-10Third Party Advisoryhttps://security.netapp.com/advisory/ntap-20230929-0011/Third Party Advisoryhttps://sethmlarson.dev/security-developer-in-residence-weekly-report-16Exploithttps://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/ExploitThird Party Advisoryhttps://www.bentley.com/advisories/be-2023-0001/Third Party Advisoryhttps://www.bleepingcomputer.com/news/google/google-fixes-another-chrome-zero-day-bug-exploited-in-attacks/Third Party Advisoryhttps://www.debian.org/security/2023/dsa-5496Mailing Listhttps://www.debian.org/security/2023/dsa-5497Mailing Listhttps://www.debian.org/security/2023/dsa-5498Mailing ListThird Party Advisoryhttps://www.mozilla.org/en-US/security/advisories/mfsa2023-40/Third Party Advisoryhttp://www.openwall.com/lists/oss-security/2023/09/21/4Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/1Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/3Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/4Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/5Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/6Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/7Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/22/8Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/26/1Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/26/7Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/28/1Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/28/2Mailing Listhttp://www.openwall.com/lists/oss-security/2023/09/28/4Mailing Listhttps://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/Third Party Advisoryhttps://blog.isosceles.com/the-webp-0day/ExploitThird Party Advisoryhttps://bugzilla.suse.com/show_bug.cgi?id=1215231Issue TrackingThird Party Advisoryhttps://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.htmlVendor Advisoryhttps://crbug.com/1479274Issue TrackingVendor Advisoryhttps://en.bandisoft.com/honeyview/history/Release Noteshttps://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17aPatchhttps://github.com/webmproject/libwebp/releases/tag/v1.3.2Release Noteshttps://lists.debian.org/debian-lts-announce/2023/09/msg00015.htmlMailing ListThird Party Advisoryhttps://lists.debian.org/debian-lts-announce/2023/09/msg00016.htmlMailing ListThird Party Advisoryhttps://lists.debian.org/debian-lts-announce/2023/09/msg00017.htmlMailing ListThird Party Advisoryhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/Mailing Listhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FYYKLG6CRGEDTNRBSU26EEWAO6D6U645/Mailing Listhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/Mailing Listhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OZDGWWMJREPAGKWCJKSCM4WYLANSKIFX/Mailing Listhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PYZV7TMKF4QHZ54SFJX54BDN52VHGGCX/Mailing Listhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHOLML7N2G5KCAZXFWC5IDFFHSQS5SDB/Mailing Listhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/Mailing Listhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863PatchThird Party Advisoryhttps://news.ycombinator.com/item?id=37478403ExploitThird Party Advisoryhttps://security-tracker.debian.org/tracker/CVE-2023-4863Issue TrackingThird Party Advisoryhttps://security.gentoo.org/glsa/202309-05Third Party Advisoryhttps://security.gentoo.org/glsa/202401-10Third Party Advisoryhttps://security.netapp.com/advisory/ntap-20230929-0011/Third Party Advisoryhttps://sethmlarson.dev/security-developer-in-residence-weekly-report-16Exploithttps://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/ExploitThird Party Advisoryhttps://www.bentley.com/advisories/be-2023-0001/Third Party Advisoryhttps://www.bleepingcomputer.com/news/google/google-fixes-another-chrome-zero-day-bug-exploited-in-attacks/Third Party Advisoryhttps://www.debian.org/security/2023/dsa-5496Mailing Listhttps://www.debian.org/security/2023/dsa-5497Mailing Listhttps://www.debian.org/security/2023/dsa-5498Mailing ListThird Party Advisoryhttps://www.mozilla.org/en-US/security/advisories/mfsa2023-40/Third Party Advisoryhttps://www.vicarius.io/vsociety/posts/zero-day-webp-vulnerability-cve-2023-4863ExploitThird Party Advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4863US Government Resource