CVE-2022-4921 json
Use after free in Accessibility in Google Chrome prior to 99.0.4844.51 allowed a remote attacker who convinced a user to engage in specific…
published 2023-07-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-52175
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
Use after free in Accessibility in Google Chrome prior to 99.0.4844.51 allowed a remote attacker who convinced a user to engage in specific UI gestures to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: Low)
Patch / fix
- Google Chrome 99.0.4844.51
- chromium Debian 14, Debian 13, Debian 12 99.0.4844.51-1
debian advisories DEBIAN-CVE-2022-4921
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-2022-4921 updated cvss 4.3
chromium-browser: Use after free in Accessibility
-
Red Hat All currently supported Red Hat productsnot 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
0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- crbug.com https://crbug.com/1262902 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 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
-
- CWE-416 Use After Free
- Technology feeds
References
-
crbug.com
/1262902
exploit, issue-tracking, vendor-advisory
-
chromereleases.googleblog.com
/2022/03/stable-channel-update-for-desktop.html
release-notes, vendor-advisory
- lists.fedoraproject.org /archives/list/package-announce@lists.fedoraproject.org/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ/
Sources
- CVE List CVE-2022-4921
- NVD CVE-2022-4921
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.