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CVE-2023-0464 · cross-distro fix matrix

CVE-2023-0464: A security vulnerability has been identified in all supported versions of OpenSSL related to the verification of X.509 certificate chains that include policy constraints. Attackers may be able to exploit this vulnerability by creating a malicious certificate chain that triggers exponential use of

Affects 8 Linux releases across 9 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-0464 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • openssl→ fixed in1.1.1n-0+deb11u5urgency: not yet assigned
    sudo apt-get install --only-upgrade -y openssl

Debian bookworm

Source: Debian Security Tracker

  • openssl→ fixed in3.0.9-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y openssl

Debian trixie

Source: Debian Security Tracker

  • openssl→ fixed in3.0.9-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y openssl

Alpine v3.20

Source: Alpine secdb

  • openssl→ fixed in3.1.0-r1
    apk update && apk add --upgrade openssl

Alpine v3.21

Source: Alpine secdb

  • openssl→ fixed in3.1.0-r1
    apk update && apk add --upgrade openssl

Alpine edge

Source: Alpine secdb

  • openssl→ fixed in3.1.0-r1
    apk update && apk add --upgrade openssl

Alpine v3.18

Source: Alpine secdb

  • openssl→ fixed in3.1.0-r1
    apk update && apk add --upgrade openssl
  • openssl1.1-compat→ fixed in1.1.1t-r1
    apk update && apk add --upgrade openssl1.1-compat

Alpine v3.19

Source: Alpine secdb

  • openssl→ fixed in3.1.0-r1
    apk update && apk add --upgrade openssl
Are YOU affected by CVE-2023-0464?

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
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CVE-2023-0464dropped 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.

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