Ce mail provient de l'extérieur, restons vigilants ===================================================================== CERT-Renater Note d'Information No. 2025/VULN071 _____________________________________________________________________ DATE : 05/02/2025 HARDWARE PLATFORM(S): / OPERATING SYSTEM(S): Systems running Firefox versions prior to ESR 128.7, ESR 115.20, 135. ===================================================================== https://www.mozilla.org/en-US/security/advisories/mfsa2025-09/ https://www.mozilla.org/en-US/security/advisories/mfsa2025-08/ https://www.mozilla.org/en-US/security/advisories/mfsa2025-07/ _____________________________________________________________________ Mozilla Foundation Security Advisory 2025-09 Security Vulnerabilities fixed in Firefox ESR 128.7 Announced February 4, 2025 Impact high Products Firefox ESR Fixed in Firefox ESR 128.7 #CVE-2025-1009: Use-after-free in XSLT Reporter Ivan Fratric of Google Project Zero Impact high Description An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. References Bug 1936613 #CVE-2025-1010: Use-after-free in Custom Highlight Reporter Atte Kettunen Impact high Description An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. References Bug 1936982 #CVE-2025-1011: A bug in WebAssembly code generation could result in a crash Reporter Nan Wang Impact moderate Description A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. References Bug 1936454 #CVE-2025-1012: Use-after-free during concurrent delazification Reporter Nils Bars Impact moderate Description A race during concurrent delazification could have led to a use-after-free. References Bug 1939710 #CVE-2024-11704: Potential double-free vulnerability in PKCS#7 decryption handling Reporter Ronald Crane Impact low Description A double-free issue could have occurred in sec_pkcs7_decoder_start_decrypt() when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. References Bug 1899402 #CVE-2025-1013: Potential opening of private browsing tabs in normal browsing windows Reporter Maruf Bin Murtuza Impact low Description A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak. References Bug 1932555 #CVE-2025-1014: Certificate length was not properly checked Reporter Theemathas Impact low Description Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. References Bug 1940804 #CVE-2025-1016: Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 115.20, and Thunderbird 128.7 Reporter Randell Jesup, Andrew McCreight, Andrew Osmond, Akmat Suleimanov and the Mozilla Fuzzing Team Impact high Description Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, 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. References Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 115.20, and Thunderbird 128.7 #CVE-2025-1017: Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7 Reporter Sebastian Hengst, Maurice Dauer and the Mozilla Fuzzing Team Impact moderate 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. References Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7 _____________________________________________________________________ Mozilla Foundation Security Advisory 2025-08 Security Vulnerabilities fixed in Firefox ESR 115.20 Announced February 4, 2025 Impact high Products Firefox ESR Fixed in Firefox ESR 115.20 #CVE-2025-1009: Use-after-free in XSLT Reporter Ivan Fratric of Google Project Zero Impact high Description An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. References Bug 1936613 #CVE-2025-1010: Use-after-free in Custom Highlight Reporter Atte Kettunen Impact high Description An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. References Bug 1936982 #CVE-2025-1012: Use-after-free during concurrent delazification Reporter Nils Bars Impact moderate Description A race during concurrent delazification could have led to a use-after-free. References Bug 1939710 #CVE-2025-1016: Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 115.20, and Thunderbird 128.7 Reporter Andrew Osmond, Randell Jesup, Andrew McCreight, Akmat Suleimanov and the Mozilla Fuzzing Team Impact high Description Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, 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. References Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 115.20, and Thunderbird 128.7 _____________________________________________________________________ Mozilla Foundation Security Advisory 2025-07 Security Vulnerabilities fixed in Firefox 135 Announced February 4, 2025 Impact high Products Firefox Fixed in Firefox 135 #CVE-2025-1009: Use-after-free in XSLT Reporter Ivan Fratric of Google Project Zero Impact high Description An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. References Bug 1936613 #CVE-2025-1010: Use-after-free in Custom Highlight Reporter Atte Kettunen Impact high Description An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. References Bug 1936982 #CVE-2025-1018: Fullscreen notification is not displayed when fullscreen is re-requested Reporter Irvan Kurniawan Impact moderate Description The fullscreen notification is prematurely hidden when fullscreen is re-requested quickly by the user. This could have been leveraged to perform a potential spoofing attack. References Bug 1910818 #CVE-2025-1011: A bug in WebAssembly code generation could result in a crash Reporter Nan Wang Impact moderate Description A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. References Bug 1936454 #CVE-2025-1012: Use-after-free during concurrent delazification Reporter Nils Bars Impact moderate Description A race during concurrent delazification could have led to a use-after-free. References Bug 1939710 #CVE-2025-1019: Fullscreen notification not properly displayed Reporter Irvan Kurniawan Impact moderate Description The z-order of the browser windows could be manipulated to hide the fullscreen notification. This could potentially be leveraged to perform a spoofing attack. References Bug 1940162 #CVE-2025-1013: Potential opening of private browsing tabs in normal browsing windows Reporter Maruf Bin Murtuza Impact low Description A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak. References Bug 1932555 #CVE-2025-1014: Certificate length was not properly checked Reporter Theemathas Impact low Description Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. References Bug 1940804 #CVE-2025-1016: Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 115.20, and Thunderbird 128.7 Reporter Andrew McCreight, Randell Jesup, Andrew Osmond, Akmat Suleimanov and the Mozilla Fuzzing Team Impact high Description Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, 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. References Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 115.20, and Thunderbird 128.7 #CVE-2025-1017: Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7 Reporter Sebastian Hengst, Maurice Dauer and the Mozilla Fuzzing Team Impact moderate 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. References Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7 #CVE-2025-1020: Memory safety bugs fixed in Firefox 135 and Thunderbird 135 Reporter The Mozilla Fuzzing Team Impact high Description 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. References Memory safety bugs fixed in Firefox 135 and Thunderbird 135 ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 23/25 Rue Daviel | fax : 01-53-94-20-41 + + 75013 Paris | email:cert@support.renater.fr + =========================================================