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Vulnerability record · CVE-2024-2616 · published 19 March 2024

CVE-2024-2616: Mozilla firefox out-of-bounds write vulnerability

Mozilla · Firefox

To harden ICU against exploitation, the behavior for out-of-memory conditions was changed to crash instead of attempt to continue. This vulnerability affects Firefox ESR < 115.9 and Thunderbird < 115.9.

2.7 CVSS 3.1 Low EPSS 0.70% · top 48.8% CWE-787 · Out-of-bounds write
2.7CVSS 3.1 base score
0.70%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

To harden ICU against exploitation, the behavior for out-of-memory conditions was changed to crash instead of attempt to continue. This vulnerability affects Firefox ESR < 115.9 and Thunderbird < 115.9.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.mozilla.org/show_bug.cgi?id=1846197 Issue TrackingVendor Advisory
https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html Mailing ListThird Party Advisory
https://www.mozilla.org/security/advisories/mfsa2024-13/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-14/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1846197 Issue TrackingVendor Advisory
https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html Mailing ListThird Party Advisory
https://www.mozilla.org/security/advisories/mfsa2024-13/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-14/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-2616), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.