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Debian: Security Advisory for firefox-esr (DSA-5026-1)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

The remote host is missing an update for the 'firefox-esr' package(s) announced via the DSA-5026-1 advisory.

Insight

Insight

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, information disclosure or spoofing. Debian follows the extended support releases (ESR) of Firefox. Support for the 78.x series has ended, so starting with this update we're now following the 91.x releases. Between 78.x and 91.x, Firefox has seen a number of feature updates. For more information please

Affected Software

Affected Software

'firefox-esr' package(s) on Debian Linux.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

For the oldstable distribution (buster) one more final toolchain update is needed, updated packages will shortly be available as 91.4.1esr-1~deb10u1 For the stable distribution (bullseye), these problem have been fixed in version 91.4.1esr-1~deb11u1. We recommend that you upgrade your firefox-esr packages.