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CVE-2009-1378 · cross-distro fix matrix

CVE-2009-1378: Multiple memory leaks in the dtls1_process_out_of_seq_message function in ssl/d1_both.c in OpenSSL 0.9.8k and earlier 0.9.8 versions allow remote attackers to cause a denial of service (memory consumption) via DTLS records that (1) are duplicates or (2) have sequence numbers much greater than curren

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

Elevated exploitation risk

FIRST EPSS puts CVE-2009-1378's probability of exploitation in the next 30 days at 13% (96th percentile of all CVEs)— well above the noise floor. Prioritize it.

EPSS:13% · 30-day exploit probability96th percentile

Fix per ecosystem

Each block below is a distro release where CVE-2009-1378 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • openssl→ fixed in0.9.8k-1urgency: low
    sudo apt-get install --only-upgrade -y openssl

Debian bookworm

Source: Debian Security Tracker

  • openssl→ fixed in0.9.8k-1urgency: low
    sudo apt-get install --only-upgrade -y openssl

Debian trixie

Source: Debian Security Tracker

  • openssl→ fixed in0.9.8k-1urgency: low
    sudo apt-get install --only-upgrade -y openssl
Are YOU affected by CVE-2009-1378?

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

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