CVE-2023-4761

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-05 · updated 2026-06-17
Weakness: CWE-125

Description

Out of bounds memory access in FedCM in Google Chrome prior to 116.0.5845.179 allowed a remote attacker who had compromised the renderer process to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: High)

Affected products

Debian Linux: 11.0, 12.0
Fedoraproject Fedora: 37, 38, 39
Google Chrome: before 116.0.5845.179 — fixed in 116.0.5845.179

How to fix

Upgrade to a fixed version: Google Chrome 116.0.5845.179. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop.html
https://crbug.com/1476403
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27NR3KG553CG6LGPMP6SHWEVHTYPL6RC/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/
https://security.gentoo.org/glsa/202311-11
https://security.gentoo.org/glsa/202312-07
https://security.gentoo.org/glsa/202401-34
https://www.debian.org/security/2023/dsa-5491
https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop.html
https://crbug.com/1476403
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27NR3KG553CG6LGPMP6SHWEVHTYPL6RC/

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