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CVE-2025-0242: Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. Some...
Description
Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. 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 < 134, Firefox ESR < 128.6, and Firefox ESR < 115.19.
Classification
CVE ID: CVE-2025-0242
Affected Products
Vendor: Mozilla
Product: Firefox
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.04% (probability of being exploited)
EPSS Percentile: 12.42% (scored less or equal to compared to others)
EPSS Date: 2025-02-05 (when was this score calculated)
References
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1874523%2C1926454%2C1931873%2C1932169https://www.mozilla.org/security/advisories/mfsa2025-01/
https://www.mozilla.org/security/advisories/mfsa2025-02/
https://www.mozilla.org/security/advisories/mfsa2025-03/