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CVE-2019-19956 · cross-distro fix matrix

CVE-2019-19956: xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs.

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

EPSS:5.5% · 30-day exploit probability92th percentile

Fix per ecosystem

Each block below is a distro release where CVE-2019-19956 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • libxml2→ fixed in2.9.10+dfsg-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libxml2

Debian bookworm

Source: Debian Security Tracker

  • libxml2→ fixed in2.9.10+dfsg-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libxml2

Debian trixie

Source: Debian Security Tracker

  • libxml2→ fixed in2.9.10+dfsg-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libxml2
Are YOU affected by CVE-2019-19956?

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