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[SECURITY] [DSA 6461-1] thunderbird security update

🗓️ 23 Aug 2026 16:17:05Reported by DebianType 
debian
 debian🔗 lists.debian.org👁 16 Views

Multiple vulnerabilities in Thunderbird 140.14.0 ESR allow code execution or information disclosure.

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OSOS VersionArchitecturePackagePackage VersionFilename
Debian13amd64thunderbird1:140.14.0esr-1~deb13u1thunderbird_1:140.14.0esr-1~deb13u1_amd64.deb
Debian13arm64thunderbird1:140.14.0esr-1~deb13u1thunderbird_1:140.14.0esr-1~deb13u1_arm64.deb
Debian13i386thunderbird1:140.14.0esr-1~deb13u1thunderbird_1:140.14.0esr-1~deb13u1_i386.deb
Debian13ppc64elthunderbird1:140.14.0esr-1~deb13u1thunderbird_1:140.14.0esr-1~deb13u1_ppc64el.deb
Debian13riscv64thunderbird1:140.14.0esr-1~deb13u1thunderbird_1:140.14.0esr-1~deb13u1_riscv64.deb
Debian13amd64thunderbird-dbgsym1:140.14.0esr-1~deb13u1thunderbird-dbgsym_1:140.14.0esr-1~deb13u1_amd64.deb
Debian13arm64thunderbird-dbgsym1:140.14.0esr-1~deb13u1thunderbird-dbgsym_1:140.14.0esr-1~deb13u1_arm64.deb
Debian13i386thunderbird-dbgsym1:140.14.0esr-1~deb13u1thunderbird-dbgsym_1:140.14.0esr-1~deb13u1_i386.deb
Debian13ppc64elthunderbird-dbgsym1:140.14.0esr-1~deb13u1thunderbird-dbgsym_1:140.14.0esr-1~deb13u1_ppc64el.deb
Debian13riscv64thunderbird-dbgsym1:140.14.0esr-1~deb13u1thunderbird-dbgsym_1:140.14.0esr-1~deb13u1_riscv64.deb
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23 Aug 2026 16:17Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.19.8
EPSS0.0057
SSVC
Thunderbirdcode executioninformation disclosuremultiple vulnerabilitiesESR release
16