CVE-2020-6096 · cross-distro fix matrix

CVE-2020-6096: An exploitable signed comparison vulnerability exists in the ARMv7 memcpy() implementation of GNU glibc 2.30.9000. Calling memcpy() (on ARMv7 targets that utilize the GNU glibc implementation) with a negative value for the 'num' parameter results in a signed comparison vulnerability. If an attacker

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-6096 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

glibc→ fixed in2.31-2urgency: low

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

Debian bookworm

Source: Debian Security Tracker

glibc→ fixed in2.31-2urgency: low

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

Debian trixie

Source: Debian Security Tracker

glibc→ fixed in2.31-2urgency: low

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

Are YOU affected by CVE-2020-6096?

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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