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CVE-2019-10191 · cross-distro fix matrix

CVE-2019-10191: A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol.

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-10191 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • knot-resolver→ fixed in5.0.1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y knot-resolver

Debian bookworm

Source: Debian Security Tracker

  • knot-resolver→ fixed in5.0.1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y knot-resolver

Debian trixie

Source: Debian Security Tracker

  • knot-resolver→ fixed in5.0.1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y knot-resolver

Alpine v3.20

Source: Alpine secdb

  • knot-resolver→ fixed in4.1.0-r0
    apk update && apk add --upgrade knot-resolver

Alpine v3.21

Source: Alpine secdb

  • knot-resolver→ fixed in4.1.0-r0
    apk update && apk add --upgrade knot-resolver

Alpine edge

Source: Alpine secdb

  • knot-resolver→ fixed in4.1.0-r0
    apk update && apk add --upgrade knot-resolver

Alpine v3.18

Source: Alpine secdb

  • knot-resolver→ fixed in4.1.0-r0
    apk update && apk add --upgrade knot-resolver

Alpine v3.19

Source: Alpine secdb

  • knot-resolver→ fixed in4.1.0-r0
    apk update && apk add --upgrade knot-resolver
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