CVE-2023-29535
Low
No strong exploitation signal.
CVSS base
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
0.7%
53.3th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2023-06-02 · modified 2026-08-19
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2023-06-02 — Published (NVD)
- 2026-08-19 — Last modified (NVD)
Description
Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
Affected
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1820543
- https://www.mozilla.org/security/advisories/mfsa2023-13/
- https://www.mozilla.org/security/advisories/mfsa2023-14/
- https://www.mozilla.org/security/advisories/mfsa2023-15/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1820543
- https://www.mozilla.org/security/advisories/mfsa2023-13/
- https://www.mozilla.org/security/advisories/mfsa2023-14/
- https://www.mozilla.org/security/advisories/mfsa2023-15/