CVE-2024-5700
highMemory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11.
Vendor / product: Mozilla — firefox
Memory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11. 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
CVSS
7.0
7.0 (CVSS v3.1)
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2024-06-11 13:15
Modified: 2026-11-03 22:17
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-11-03 22:24 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
mozilla / firefox <115.12, <127.0
mozilla / thunderbird <115.12
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://www.mozilla.org/security/advisories/mfsa2024-25/
Vendor advisory: https://www.mozilla.org/security/advisories/mfsa2024-26/
Vendor advisory: https://www.mozilla.org/security/advisories/mfsa2024-28/
Vendor advisory: https://www.mozilla.org/security/advisories/mfsa2024-25/
Vendor advisory: https://www.mozilla.org/security/advisories/mfsa2024-26/
Vendor advisory: https://www.mozilla.org/security/advisories/mfsa2024-28/
References
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1862809%2C1889355%2C1893388%2C1895123 security@mozilla.org
- https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html security@mozilla.org
- https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html security@mozilla.org
- https://www.mozilla.org/security/advisories/mfsa2024-25/ security@mozilla.org
- https://www.mozilla.org/security/advisories/mfsa2024-26/ security@mozilla.org
- https://www.mozilla.org/security/advisories/mfsa2024-28/ security@mozilla.org
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1862809%2C1889355%2C1893388%2C1895123 af854a3a-2127-422b-91ae-364da2661108
- https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html af854a3a-2127-422b-91ae-364da2661108
- https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html af854a3a-2127-422b-91ae-364da2661108
- https://www.mozilla.org/security/advisories/mfsa2024-25/ af854a3a-2127-422b-91ae-364da2661108
- https://www.mozilla.org/security/advisories/mfsa2024-26/ af854a3a-2127-422b-91ae-364da2661108
- https://www.mozilla.org/security/advisories/mfsa2024-28/ af854a3a-2127-422b-91ae-364da2661108
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 22:24 UTC · record ↗