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CVE-2020-15953 · cross-distro fix matrix

CVE-2020-15953: LibEtPan through 1.9.4, as used in MailCore 2 through 0.6.3 and other products, has a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a "begin TLS" response, the client reads additional data (e.g., from a meddler-in-the-middle attacker) and evaluates it in a TLS conte

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-15953 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • libetpan→ fixed in1.9.4-3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libetpan

Debian bookworm

Source: Debian Security Tracker

  • libetpan→ fixed in1.9.4-3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libetpan

Debian trixie

Source: Debian Security Tracker

  • libetpan→ fixed in1.9.4-3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libetpan

Alpine v3.20

Source: Alpine secdb

  • libetpan→ fixed in1.9.4-r1
    apk update && apk add --upgrade libetpan

Alpine v3.21

Source: Alpine secdb

  • libetpan→ fixed in1.9.4-r1
    apk update && apk add --upgrade libetpan

Alpine edge

Source: Alpine secdb

  • libetpan→ fixed in1.9.4-r1
    apk update && apk add --upgrade libetpan

Alpine v3.18

Source: Alpine secdb

  • libetpan→ fixed in1.9.4-r1
    apk update && apk add --upgrade libetpan

Alpine v3.19

Source: Alpine secdb

  • libetpan→ fixed in1.9.4-r1
    apk update && apk add --upgrade libetpan
Are YOU affected by CVE-2020-15953?

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