CVE-2012-4412 · cross-distro fix matrix

CVE-2012-4412: Integer overflow in string/strcoll_l.c in the GNU C Library (aka glibc or libc6) 2.17 and earlier allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string, which triggers a heap-based buffer overflow.

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

Fix per ecosystem

Each block below is a distro release where CVE-2012-4412 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

glibc→ fixed in2.17-94urgency: low

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

Debian bookworm

Source: Debian Security Tracker

glibc→ fixed in2.17-94urgency: low

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

Debian trixie

Source: Debian Security Tracker

glibc→ fixed in2.17-94urgency: low

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

Are YOU affected by CVE-2012-4412?

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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