An update for firefox is now available for openEuler-20.03-LTS-SP4 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2025-1378 Final 1.0 1.0 2025-04-03 Initial 2025-04-03 2025-04-03 openEuler SA Tool V1.0 2025-04-03 firefox security update An update for firefox is now available for openEuler-20.03-LTS-SP4 Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. Security Fix(es): A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.(CVE-2021-29970) Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.(CVE-2021-43539) In the <code>nsTArray_Impl::ReplaceElementsAt()</code> function, an integer overflow could have occurred when the number of elements to replace was too large for the container. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.(CVE-2022-34481) An update for firefox is now available for openEuler-20.03-LTS-SP4. openEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. High firefox https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1378 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-29970 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-43539 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2022-34481 https://nvd.nist.gov/vuln/detail/CVE-2021-29970 https://nvd.nist.gov/vuln/detail/CVE-2021-43539 https://nvd.nist.gov/vuln/detail/CVE-2022-34481 openEuler-20.03-LTS-SP4 firefox-79.0-34.oe2003sp4.aarch64.rpm firefox-debuginfo-79.0-34.oe2003sp4.aarch64.rpm firefox-debugsource-79.0-34.oe2003sp4.aarch64.rpm firefox-79.0-34.oe2003sp4.src.rpm firefox-79.0-34.oe2003sp4.x86_64.rpm firefox-debuginfo-79.0-34.oe2003sp4.x86_64.rpm firefox-debugsource-79.0-34.oe2003sp4.x86_64.rpm mozilla-crashreporter-firefox-debuginfo-79.0-34.oe2003sp4.x86_64.rpm A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90. 2025-04-03 CVE-2021-29970 openEuler-20.03-LTS-SP4 High 8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H firefox security update 2025-04-03 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1378 Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. 2025-04-03 CVE-2021-43539 openEuler-20.03-LTS-SP4 High 8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H firefox security update 2025-04-03 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1378 In the <code>nsTArray_Impl::ReplaceElementsAt()</code> function, an integer overflow could have occurred when the number of elements to replace was too large for the container. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11. 2025-04-03 CVE-2022-34481 openEuler-20.03-LTS-SP4 High 8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H firefox security update 2025-04-03 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1378