CVE-2009-4810 · cross-distro fix matrix

CVE-2009-4810: The Secure Remote Password (SRP) implementation in Samhain before 2.5.4 does not check for a certain zero value where required by the protocol, which allows remote attackers to bypass authentication via crafted input.

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2009-4810 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

samhain→ fixed in2.5.4-1urgency: unimportant

sudo apt-get install --only-upgrade -y samhain

Debian bookworm

Source: Debian Security Tracker

samhain→ fixed in2.5.4-1urgency: unimportant

sudo apt-get install --only-upgrade -y samhain

Debian trixie

Source: Debian Security Tracker

samhain→ fixed in2.5.4-1urgency: unimportant

sudo apt-get install --only-upgrade -y samhain

Are YOU affected by CVE-2009-4810?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

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