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CVE-2020-25829 · cross-distro fix matrix

CVE-2020-25829: An issue has been found in PowerDNS Recursor before 4.1.18, 4.2.x before 4.2.5, and 4.3.x before 4.3.5. A remote attacker can cause the cached records for a given name to be updated to the Bogus DNSSEC validation state, instead of their actual DNSSEC Secure state, via a DNS ANY query. This results i

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-25829 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • pdns-recursor→ fixed in4.3.5-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y pdns-recursor

Debian bookworm

Source: Debian Security Tracker

  • pdns-recursor→ fixed in4.3.5-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y pdns-recursor

Debian trixie

Source: Debian Security Tracker

  • pdns-recursor→ fixed in4.3.5-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y pdns-recursor

Alpine v3.20

Source: Alpine secdb

  • pdns-recursor→ fixed in4.3.5-r0
    apk update && apk add --upgrade pdns-recursor

Alpine v3.21

Source: Alpine secdb

  • pdns-recursor→ fixed in4.3.5-r0
    apk update && apk add --upgrade pdns-recursor

Alpine edge

Source: Alpine secdb

  • pdns-recursor→ fixed in4.3.5-r0
    apk update && apk add --upgrade pdns-recursor

Alpine v3.18

Source: Alpine secdb

  • pdns-recursor→ fixed in4.3.5-r0
    apk update && apk add --upgrade pdns-recursor

Alpine v3.19

Source: Alpine secdb

  • pdns-recursor→ fixed in4.3.5-r0
    apk update && apk add --upgrade pdns-recursor
Are YOU affected by CVE-2020-25829?

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