CVE-2024-6603
High
Published: 09 July 2024
Published
09 July 2024
Modified
04 April 2025
KEV Added
—
Patch
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CVSS Score v3.1
7.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS Score
0.0034
57.4th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2024-6603 is a high-severity Use of Out-of-range Pointer Offset (CWE-823) vulnerability in Mozilla Firefox. Its CVSS base score is 7.4 (High).
Operationally, ranked in the top 42.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-47665
Vulnerability details
In an out-of-memory scenario an allocation could fail but free would have been called on the pointer afterwards leading to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
mozilla
firefox
≤ 115.13 · ≤ 128.0
mozilla
thunderbird
≤ 115.13 · 116.0 — 128.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.