CVE-2025-1017

Description

Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. 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 < 135, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.

Reserved 2025-02-04 | Published 2025-02-04 | Updated 2025-02-06 | Assigner mozilla

Problem types

Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7

Product status

Any version before 135
affected

Any version before 128.7
affected

Any version before 128.7
affected

Any version before 135
affected

Credits

Sebastian Hengst, Maurice Dauer and the Mozilla Fuzzing Team

References

bugzilla.mozilla.org/...i?bug_id=1926256%2C1935984%2C1935471 (Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7)

www.mozilla.org/security/advisories/mfsa2025-07/

www.mozilla.org/security/advisories/mfsa2025-09/

www.mozilla.org/security/advisories/mfsa2025-10/

www.mozilla.org/security/advisories/mfsa2025-11/

cve.org (CVE-2025-1017)

nvd.nist.gov (CVE-2025-1017)

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