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Fencer Vulns
high 8.8

CVE-2023-6351 json

Use after free in libavif in Google Chrome prior to 119.0.6045.199 allowed a remote attacker to potentially exploit heap corruption via a c…

published 2023-11-29 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58592

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

Use after free in libavif in Google Chrome prior to 119.0.6045.199 allowed a remote attacker to potentially exploit heap corruption via a crafted avif file. (Chromium security severity: High)

Patch / fix

  • google chrome 119.0.6045.199
  • chromium Debian 12 119.0.6045.199-1~deb12u1
  • chromium Debian 14, Debian 13 119.0.6045.199-1

debian advisories DEBIAN-CVE-2023-6351

  • libavif SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +7 more 1.3.0-150400.3.6.1

suse advisories SUSE-SU-2025:03237-1

  • chromium openSUSE Tumbleweed 119.0.6045.199-1.1
  • opera openSUSE Leap 15.4 NonFree 105.0.4970.34-lp154.2.65.1
  • opera openSUSE Leap 15.5 NonFree 105.0.4970.34-lp155.3.24.1
  • chromium Package Hub 15 SP5, Package Hub 15 SP4, openSUSE Leap 15.5 +1 more 119.0.6045.199-bp155.2.61.1

opensuse advisories openSUSE-SU-2024:13473-1openSUSE-SU-2024:13481-1openSUSE-SU-2023:0397-1openSUSE-SU-2023:0396-1openSUSE-SU-2023:0387-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-6351 updated cvss 8.8

chromium-browser: Use after free in libavif

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Google Chrome

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.