CVE-2021-3200 · cross-distro fix matrix

CVE-2021-3200: Buffer overflow vulnerability in libsolv 2020-12-13 via the Solver * testcase_read(Pool pool, FILE fp, const char testcase, Queue job, char **resultp, int *resultflagsp function at src/testcase.c: line 2334, which could cause a denial of service

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-3200 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libsolv→ fixed in0.7.17-1urgency: unimportant

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

Debian bookworm

Source: Debian Security Tracker

libsolv→ fixed in0.7.17-1urgency: unimportant

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

Debian trixie

Source: Debian Security Tracker

libsolv→ fixed in0.7.17-1urgency: unimportant

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

Are YOU affected by CVE-2021-3200?

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.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

CVE-2021-3200dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)