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Mozilla: Data-race when parsing non-UTF-8 URLs in threads

🗓️ 26 Sep 2022 15:57:28Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 8 Views

Mozilla vulnerability: data race parsing non unicode URLs in threads causing use after free and exploitable crash.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.2aarch64thunderbird0:102.3.0-3.el8_2thunderbird-0:102.3.0-3.el8_2.aarch64.rpm
Red Hat Enterprise Linux8.2ppc64lethunderbird0:102.3.0-3.el8_2thunderbird-0:102.3.0-3.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64thunderbird0:102.3.0-3.el8_2thunderbird-0:102.3.0-3.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2aarch64thunderbird-debuginfo0:102.3.0-3.el8_2thunderbird-debuginfo-0:102.3.0-3.el8_2.aarch64.rpm
Red Hat Enterprise Linux8.2ppc64lethunderbird-debuginfo0:102.3.0-3.el8_2thunderbird-debuginfo-0:102.3.0-3.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64thunderbird-debuginfo0:102.3.0-3.el8_2thunderbird-debuginfo-0:102.3.0-3.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2aarch64thunderbird-debugsource0:102.3.0-3.el8_2thunderbird-debugsource-0:102.3.0-3.el8_2.aarch64.rpm
Red Hat Enterprise Linux8.2ppc64lethunderbird-debugsource0:102.3.0-3.el8_2thunderbird-debugsource-0:102.3.0-3.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64thunderbird-debugsource0:102.3.0-3.el8_2thunderbird-debugsource-0:102.3.0-3.el8_2.x86_64.rpm

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21 Nov 2025 18:33Current
7.3High risk
Vulners AI Score7.3
CVSS 3.16.5
EPSS0.00947
SSVC
CWE-416
data raceurl parsernon unicodethread safetyuse after freecrash
8