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firefox: thunderbird: Use-after-free during concurrent delazification

🗓️ 11 Feb 2025 09:57:23Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Race during concurrent delazification causes use-after-free in Firefox and Thunderbird.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64firefox0:128.7.0-1.el8_10firefox-0:128.7.0-1.el8_10.aarch64.rpm
Red Hat Enterprise Linux8ppc64lefirefox0:128.7.0-1.el8_10firefox-0:128.7.0-1.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8s390xfirefox0:128.7.0-1.el8_10firefox-0:128.7.0-1.el8_10.s390x.rpm
Red Hat Enterprise Linux8x86_64firefox0:128.7.0-1.el8_10firefox-0:128.7.0-1.el8_10.x86_64.rpm
Red Hat Enterprise Linux8aarch64firefox-debuginfo0:128.7.0-1.el8_10firefox-debuginfo-0:128.7.0-1.el8_10.aarch64.rpm
Red Hat Enterprise Linux8ppc64lefirefox-debuginfo0:128.7.0-1.el8_10firefox-debuginfo-0:128.7.0-1.el8_10.ppc64le.rpm
Red Hat Enterprise Linux8s390xfirefox-debuginfo0:128.7.0-1.el8_10firefox-debuginfo-0:128.7.0-1.el8_10.s390x.rpm
Red Hat Enterprise Linux8x86_64firefox-debuginfo0:128.7.0-1.el8_10firefox-debuginfo-0:128.7.0-1.el8_10.x86_64.rpm
Red Hat Enterprise Linux8aarch64firefox-debugsource0:128.7.0-1.el8_10firefox-debugsource-0:128.7.0-1.el8_10.aarch64.rpm
Red Hat Enterprise Linux8ppc64lefirefox-debugsource0:128.7.0-1.el8_10firefox-debugsource-0:128.7.0-1.el8_10.ppc64le.rpm
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13 Apr 2026 15:36Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.5 - 9.8
EPSS0.00436
SSVC
6