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Vulnerability Intelligence

CVE-2023-4863 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2023-4863

CVE-2023-4863

HIGH8.8

Heap buffer overflow in libwebp in Google Chrome prior to 116

Published Sep 12, 2023

Modified 4 months ago

Fix available

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)

Affected Packages

Google Chrome

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

116.0.5845.187

References(48)

http://www.openwall.com/lists/oss-security/2023/09/21/4

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/2023/09/22/6

http://www.openwall.com/lists/oss-security/2023/09/22/7

http://www.openwall.com/lists/oss-security/2023/09/22/8

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://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/

https://blog.isosceles.com/the-webp-0day/

https://bugzilla.suse.com/show_bug.cgi?id=1215231

https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html

https://crbug.com/1479274

https://en.bandisoft.com/honeyview/history/

https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a

https://github.com/webmproject/libwebp/releases/tag/v1.3.2

https://lists.debian.org/debian-lts-announce/2023/09/msg00015.html

https://lists.debian.org/debian-lts-announce/2023/09/msg00016.html

https://lists.debian.org/debian-lts-announce/2023/09/msg00017.html

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/

CVSS Analysis

CVSS v3.1

8.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Ecosystems(20)

Windows 10 (1507)Windows 10 (1607) / Server 2016 Windows 10 (1809) / Server 2019 Windows 10 (1903)Windows 10 (1909)

Timeline

PublishedSep 12, 2023

ModifiedOct 21, 2025