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[SECURITY] [DSA 6003-1] firefox-esr security update

🗓️ 18 Sep 2025 18:45:01Reported by DebianType 
debian
 debian🔗 lists.debian.org👁 5 Views

Debian fixes Firefox ESR flaws enabling code execution or sandbox escapes; upgrade to 140.3.0esr.

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FreeBSD		Mozilla -- Information disclosure
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16 Sep 202500:00
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16 Sep 202500:00
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16 Sep 202500:00
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16 Sep 202500:00
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OSOS VersionArchitecturePackagePackage VersionFilename
Debian12anyfirefox-esr140.3.0esr-1~deb12u1firefox-esr_140.3.0esr-1~deb12u1_any.deb
Debian13anyfirefox-esr140.3.0esr-1~deb13u1firefox-esr_140.3.0esr-1~deb13u1_any.deb
Debian12amd64firefox-esr-dbgsym140.3.0esr-1~deb12u1firefox-esr-dbgsym_140.3.0esr-1~deb12u1_amd64.deb
Debian12armhffirefox-esr-dbgsym140.3.0esr-1~deb12u1firefox-esr-dbgsym_140.3.0esr-1~deb12u1_armhf.deb
Debian12i386firefox-esr-dbgsym140.3.0esr-1~deb12u1firefox-esr-dbgsym_140.3.0esr-1~deb12u1_i386.deb
Debian13amd64firefox-esr-dbgsym140.3.0esr-1~deb13u1firefox-esr-dbgsym_140.3.0esr-1~deb13u1_amd64.deb
Debian13arm64firefox-esr-dbgsym140.3.0esr-1~deb13u1firefox-esr-dbgsym_140.3.0esr-1~deb13u1_arm64.deb
Debian13armhffirefox-esr-dbgsym140.3.0esr-1~deb13u1firefox-esr-dbgsym_140.3.0esr-1~deb13u1_armhf.deb
Debian13ppc64elfirefox-esr-dbgsym140.3.0esr-1~deb13u1firefox-esr-dbgsym_140.3.0esr-1~deb13u1_ppc64el.deb
Debian13riscv64firefox-esr-dbgsym140.3.0esr-1~deb13u1firefox-esr-dbgsym_140.3.0esr-1~deb13u1_riscv64.deb
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18 Sep 2025 18:45Current
7High risk
Vulners AI Score7
CVSS 3.18.8
EPSS0.00687
SSVC
firefox esrsecurity flawscode executionsandbox escapeinformation disclosuresame origin bypassdebian securityupgrade 140.3.0esr
5