CVE-2012-3405 · cross-distro fix matrix

CVE-2012-3405: The vfprintf function in stdio-common/vfprintf.c in libc in GNU C Library (aka glibc) 2.14 and other versions does not properly calculate a buffer length, which allows context-dependent attackers to bypass the FORTIFY_SOURCE format-string protection mechanism and cause a denial of service (segmentat

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

Fix per ecosystem

Each block below is a distro release where CVE-2012-3405 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

glibc→ fixed in2.13-35urgency: low

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

Debian bookworm

Source: Debian Security Tracker

glibc→ fixed in2.13-35urgency: low

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

Debian trixie

Source: Debian Security Tracker

glibc→ fixed in2.13-35urgency: low

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

Are YOU affected by CVE-2012-3405?

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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