StackPatch is liveSee product

Back to CVE digest
CVE-2020-21047 · cross-distro fix matrix

CVE-2020-21047: The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the atta

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-21047 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • elfutils→ fixed in0.180-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y elfutils

Debian bookworm

Source: Debian Security Tracker

  • elfutils→ fixed in0.180-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y elfutils

Debian trixie

Source: Debian Security Tracker

  • elfutils→ fixed in0.180-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y elfutils
Are YOU affected by CVE-2020-21047?

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
Continuous monitoring beats manual checking

CVE-2020-21047dropped 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)