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firefox: thunderbird: Use-after-free in the XML component

🗓️ 21 Sep 2026 20:17:21Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Use-after-free in the XML component affecting Firefox and Thunderbird on Unix.

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Refs
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Family
circl
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15 Sep 202612:33
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[SECURITY] [DLA 4781-1] firefox-esr security update
17 Sep 202607:41
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17 Sep 202607:44
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[SECURITY] [DSA 6501-1] firefox-esr security update
16 Sep 202618:39
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[SECURITY] [DSA 6503-1] thunderbird security update
16 Sep 202621:10
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17 Sep 202600:00
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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64firefox140.16.0-1.el9_8firefox-140.16.0-1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lefirefox140.16.0-1.el9_8firefox-140.16.0-1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xfirefox140.16.0-1.el9_8firefox-140.16.0-1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64firefox140.16.0-1.el9_8firefox-140.16.0-1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64firefox-debuginfo140.16.0-1.el9_8firefox-debuginfo-140.16.0-1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lefirefox-debuginfo140.16.0-1.el9_8firefox-debuginfo-140.16.0-1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xfirefox-debuginfo140.16.0-1.el9_8firefox-debuginfo-140.16.0-1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64firefox-debuginfo140.16.0-1.el9_8firefox-debuginfo-140.16.0-1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64firefox-debugsource140.16.0-1.el9_8firefox-debugsource-140.16.0-1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lefirefox-debugsource140.16.0-1.el9_8firefox-debugsource-140.16.0-1.el9_8.ppc64le.rpm
Rows per page

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21 Sep 2026 21:38Current
CVSS 3.18.8
EPSS0.0034
SSVC
4