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Vulnerabilities of Mozilla Firefox ESR

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CVE Summary Score Published
CVE-2025-1935 A web page could trick a user into setting that site as the default handler for a custom URL protocol 4.3 Medium Mar 4, 2025
CVE-2025-1934 It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering… 6.5 Medium Mar 4, 2025
CVE-2025-1932 An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-bounds access 8.1 High Mar 4, 2025
CVE-2025-1931 It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a… 7.5 High Mar 4, 2025
CVE-2025-1933 On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory 7.6 High Mar 4, 2025
CVE-2025-1930 On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the… 8.8 High Mar 4, 2025
CVE-2025-1017 Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6 9.8 Critical Feb 4, 2025
CVE-2025-1016 Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19,… 9.8 Critical Feb 4, 2025
CVE-2025-1014 Certificate length was not properly checked when added to a certificate store 8.8 High Feb 4, 2025
CVE-2025-1013 A race condition could have led to private browsing tabs being opened in normal browsing windows 6.5 Medium Feb 4, 2025
CVE-2025-1012 A race during concurrent delazification could have led to a use-after-free 9.8 Critical Feb 4, 2025
CVE-2025-1011 A bug in WebAssembly code generation could have lead to a crash 9.8 Critical Feb 4, 2025
CVE-2025-1010 An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash 9.8 Critical Feb 4, 2025
CVE-2025-1009 An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash 9.8 Critical Feb 4, 2025
CVE-2025-0242 Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18,… 6.5 Medium Jan 7, 2025
CVE-2025-0243 Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5 5.1 Medium Jan 7, 2025
CVE-2025-0241 When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash 7.7 High Jan 7, 2025
CVE-2025-0240 Parsing a JavaScript module as JSON could, under some circumstances, cause cross-compartment access, which may result in… 4.0 Medium Jan 7, 2025
CVE-2025-0239 When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure… 4.0 Medium Jan 7, 2025
CVE-2025-0238 Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially… 5.3 Medium Jan 7, 2025
CVE-2025-0237 The WebChannel API, which is used to transport various information across processes, did not check the sending principal… 5.4 Medium Jan 7, 2025
CVE-2024-11699 Memory safety bugs present in Firefox 132, Firefox ESR 128.4, and Thunderbird 128.4 8.8 High Nov 26, 2024
CVE-2024-11698 A flaw in handling fullscreen transitions may have inadvertently caused the application to become stuck in fullscreen… 9.8 Critical Nov 26, 2024
CVE-2024-11696 The application failed to account for exceptions thrown by the `loadManifestFromFile` method during add-on signature… 5.4 Medium Nov 26, 2024
CVE-2024-11704 A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path 9.8 Critical Nov 26, 2024

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