CVE-2025-1931: It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. CVE-2025-1932: An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-bounds access. Only affected version 122 and later. CVE-2025-1933: On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. CVE-2025-1934: It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. CVE-2025-1935: A web page could trick a user into setting that site as the default handler for a custom URL protocol. CVE-2025-1936: jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension disguised as something else like an image. CVE-2025-1937: Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7. 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. CVE-2025-1938: Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. 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. CVE-2024-43097: In resizeToAtLeast of SkRegion.cpp, there was a possible out of bounds write due to an integer overflow Firefox 136: https://www.mozilla.org/en-US/security/advisories/mfsa2025-14/ Firefox ESR 128.8: https://www.mozilla.org/en-US/security/advisories/mfsa2025-16/ Thunderbird 128.8: https://www.mozilla.org/en-US/security/advisories/mfsa2025-18/
