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Fencer Vulns
high 7.5

CVE-2024-2886 json

Use after free in WebCodecs in Google Chrome prior to 123.0.6312.86 allowed a remote attacker to perform arbitrary read/write via a crafted…

published 2024-03-26 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-27830

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

Use after free in WebCodecs in Google Chrome prior to 123.0.6312.86 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)

Patch / fix

  • Google Chrome 123.0.6312.86
  • fedoraproject fedora 1.fc40
  • chromium Debian 12 123.0.6312.86-1~deb12u1
  • chromium Debian 14, Debian 13 123.0.6312.86-1

debian advisories DEBIAN-CVE-2024-2886

  • nodejs-electron openSUSE Tumbleweed 28.2.10-1.1
  • chromium openSUSE Tumbleweed 124.0.6367.201-1.1
  • opera openSUSE Leap 15.6 NonFree 109.0.5097.45-lp156.2.3.1

opensuse advisories openSUSE-SU-2024:13846-1openSUSE-SU-2024:13953-1openSUSE-SU-2024:0122-1

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-2024-2886 updated cvss 8.1

chromium: Use after free in WebCodecs

  • 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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • issues.chromium.org https://issues.chromium.org/issues/330575496 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Google Chrome
  • fedoraproject fedora

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.