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Fencer Vulns
critical 9.6

CVE-2022-0977 in the critical feed json

Use after free in Browser UI in Google Chrome on Chrome OS prior to 99.0.4844.74 allowed a remote attacker who convinced a user to engage i…

published 2022-07-21 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15974

cvss
9.6
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

Use after free in Browser UI in Google Chrome on Chrome OS prior to 99.0.4844.74 allowed a remote attacker who convinced a user to engage in specific user interaction to potentially exploit heap corruption via a crafted HTML page.

Patch / fix

  • Google Chrome 99.0.4844.74
  • chromium Debian 14, Debian 13, Debian 12 99.0.4844.74-1

debian advisories DEBIAN-CVE-2022-0977

  • chromium-browser Ubuntu 18.04 LTS 99.0.4844.84-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2022-0977

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • chromium openSUSE Tumbleweed 99.0.4844.74-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1
  • chromium Package Hub 15 SP3, openSUSE Leap 15.3 99.0.4844.74-bp153.2.69.1

opensuse advisories openSUSE-SU-2024:11932-1openSUSE-SU-2024:12948-1openSUSE-SU-2022:0085-1

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-2022-0977 updated cvss 8.8

chromium-browser: Use after free in Browser UI

  • 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

0.96% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • crbug.com https://crbug.com/1299225 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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.