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CVE-2009-1086 · cross-distro fix matrix

CVE-2009-1086: Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.

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

Fix per ecosystem

Each block below is a distro release where CVE-2009-1086 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • ldns→ fixed in1.5.1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y ldns

Debian bookworm

Source: Debian Security Tracker

  • ldns→ fixed in1.5.1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y ldns

Debian trixie

Source: Debian Security Tracker

  • ldns→ fixed in1.5.1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y ldns
Are YOU affected by CVE-2009-1086?

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