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Vulnerabilities

Vulnerability · CVE-2023-6704

Use after free in libavif in Google Chrome prior to 120.0.6099.109 allowed a remote attacker to potentially exploit heap corruption via a crafted image file.

Published Dec 14, 2023 · catalog updated Oct 26, 2026 · Use after free in

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-6704. EPSS is 0.66%. Act only if a listed version of Use after free in is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Use after free in).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.66%
Remediation
Advisory link
Affected products
Debian:12 chromium · Debian:13 chromium · Debian:13 libavif · Debian:14 chromium · Debian:14 libavif

Use after free in libavif in Google Chrome prior to 120.0.6099.109 allowed a remote attacker to potentially exploit heap corruption via a crafted image file. (Chromium security severity: High)

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 chromium0 → 120.0.6099.109-1~deb12u1
  • Debian:13 chromium0 → 120.0.6099.109-1
  • Debian:13 libavif0 → 1.1.0-1
  • Debian:14 chromium0 → 120.0.6099.109-1
  • Debian:14 libavif0 → 1.1.0-1

How to fix CVE-2023-6704

  • Upgrade

    CVE-2023-6704 lists a fix boundary at 120.0.6099.109-1~deb12u1. Compare the installed build with that boundary before you change production.

  • Version check

    Fixed in 120.0.6099.109-1~deb12u1 · 4 other ranges on the advisory

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-6704. EPSS is 0.66%. Act only if a listed version of Use after free in is installed.

Which versions are affected?

Compare what you have installed with 0 → 120.0.6099.109-1~deb12u1, 0 → 120.0.6099.109-1, 0 → 1.1.0-1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.66%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 14, 2023 · OpenSSF OSV / OSV Scanner

    Detected

    Use after free in libavif in Google Chrome prior to 120.0.6099.109 allowed a remote attacker to potentially exploit heap corruption via a crafted image file. (Chromium security severity: High)

  2. Oct 26, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    chromium fixed in 120.0.6099.109-1~deb12u1; chromium fixed in 120.0.6099.109-1; chromium fixed in 120.0.6099.109-1; libavif fixed in 1.1.0-1

  3. Oct 26, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    chromium fixed in 120.0.6099.109-1~deb12u1

  4. Oct 26, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    chromium fixed in 120.0.6099.109-1

  5. Oct 26, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    libavif fixed in 1.1.0-1

  6. Oct 26, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    Use after free in libavif in Google Chrome prior to 120.0.6099.109 allowed a remote attacker to potentially exploit heap corruption via a crafted image file. (Chromium security severity: High)

Sources

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 27, 2026
  • OpenSSF OSV / OSV ScannerOct 26, 2026