StackPatch is liveSee product

Back to CVE digest
CVE-2023-52892 · cross-distro fix matrix

CVE-2023-52892: In phpseclib before 1.0.22, 2.x before 2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative Name fields in TLS certificates are incorrectly allowed to have a special meaning in regular expressions (such as a + wildcard), leading to name confusion in X.509 certificate host verificati

Affects 3 Linux releases across 7 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-52892 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • phpseclib→ fixed in1.0.19-3+deb11u3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y phpseclib

Debian bookworm

Source: Debian Security Tracker

  • php-phpseclib→ fixed in2.0.42-1+deb12u3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y php-phpseclib
  • php-phpseclib3→ fixed in3.0.19-1+deb12u4urgency: not yet assigned
    sudo apt-get install --only-upgrade -y php-phpseclib3
  • phpseclib→ fixed in1.0.20-1+deb12u3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y phpseclib

Debian trixie

Source: Debian Security Tracker

  • php-phpseclib→ fixed in2.0.46-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y php-phpseclib
  • php-phpseclib3→ fixed in3.0.33-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y php-phpseclib3
  • phpseclib→ fixed in1.0.22-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y phpseclib
Are YOU affected by CVE-2023-52892?

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-2023-52892dropped 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)