CVE-2023-29551
Medium
Elevated severity or exploit probability.
CVSS base
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.5%
43.2th percentile
CISA KEV
Not listed
Weakness / dates
CWE-787
Published 2023-06-02 · modified 2026-08-19
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2023-06-02 — Published (NVD)
- 2026-08-19 — Last modified (NVD)
Description
Memory safety bugs present in Firefox 111. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.
Affected
References
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1763625%2C1814314%2C1815798%2C1815890%2C1819239%2C1819465%2C1819486%2C1819492%2C1819957%2C1820514%2C1820776%2C1821838%2C1822175%2C1823547
- https://www.mozilla.org/security/advisories/mfsa2023-13/
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1763625%2C1814314%2C1815798%2C1815890%2C1819239%2C1819465%2C1819486%2C1819492%2C1819957%2C1820514%2C1820776%2C1821838%2C1822175%2C1823547
- https://www.mozilla.org/security/advisories/mfsa2023-13/