CVE-2025-1020 (GCVE-0-2025-1020)
Vulnerability from cvelistv5
Published
2025-02-04 13:58
Modified
2025-02-06 21:07
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • Memory safety bugs fixed in Firefox 135 and Thunderbird 135
Summary
Memory safety bugs present in Firefox 134 and Thunderbird 134. 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 and Thunderbird < 135.
References
security@mozilla.orghttps://bugzilla.mozilla.org/buglist.cgi?bug_id=1939063%2C1942169Broken Link
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-07/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-11/Vendor Advisory
Impacted products
Vendor Product Version
Mozilla Firefox Version: unspecified   < 135
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   Mozilla Thunderbird Version: unspecified   < 135
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