StackPatch is liveSee product

Back to CVE digest
CVE-2026-6732 · cross-distro fix matrix

CVE-2026-6732: It was discovered that libxml2 did not properly release memory allocated in

Affects 4 Linux releases across 16 (distro × package) combinations. First disclosed: 2026-04-23.

CVSS v3:MEDIUM · 6.5(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-6732 has a known fix. Run the listed command on that distro to remediate.

Ubuntu questing

Source: Ubuntu USN

  • libxml2→ fixed in2.14.5+dfsg-0.2ubuntu0.2USN-8460-1
    sudo apt-get install --only-upgrade -y libxml2
  • libxml2-16→ fixed in2.14.5+dfsg-0.2ubuntu0.2USN-8460-1
    sudo apt-get install --only-upgrade -y libxml2-16
  • libxml2-dev→ fixed in2.14.5+dfsg-0.2ubuntu0.2USN-8460-1
    sudo apt-get install --only-upgrade -y libxml2-dev
  • libxml2-doc→ fixed in2.14.5+dfsg-0.2ubuntu0.2USN-8460-1
    sudo apt-get install --only-upgrade -y libxml2-doc
  • libxml2-utils→ fixed in2.14.5+dfsg-0.2ubuntu0.2USN-8460-1
    sudo apt-get install --only-upgrade -y libxml2-utils
  • python3-libxml2→ fixed in2.14.5+dfsg-0.2ubuntu0.2USN-8460-1
    sudo apt-get install --only-upgrade -y python3-libxml2

Ubuntu resolute

Source: Ubuntu USN

  • libxml2→ fixed in2.15.2+dfsg-0.1ubuntu0.1USN-8460-1
    sudo apt-get install --only-upgrade -y libxml2
  • libxml2-16→ fixed in2.15.2+dfsg-0.1ubuntu0.1USN-8460-1
    sudo apt-get install --only-upgrade -y libxml2-16
  • libxml2-dev→ fixed in2.15.2+dfsg-0.1ubuntu0.1USN-8460-1
    sudo apt-get install --only-upgrade -y libxml2-dev
  • libxml2-doc→ fixed in2.15.2+dfsg-0.1ubuntu0.1USN-8460-1
    sudo apt-get install --only-upgrade -y libxml2-doc
  • libxml2-source→ fixed in2.15.2+dfsg-0.1ubuntu0.1USN-8460-1
    sudo apt-get install --only-upgrade -y libxml2-source
  • libxml2-utils→ fixed in2.15.2+dfsg-0.1ubuntu0.1USN-8460-1
    sudo apt-get install --only-upgrade -y libxml2-utils
  • python3-libxml2→ fixed in2.15.2+dfsg-0.1ubuntu0.1USN-8460-1
    sudo apt-get install --only-upgrade -y python3-libxml2

Alpine v3.21

Source: Alpine secdb

  • libxml2→ fixed in2.13.9-r1
    apk update && apk add --upgrade libxml2

Alpine edge

Source: Alpine secdb

  • libxml2→ fixed in2.13.9-r2
    apk update && apk add --upgrade libxml2
  • qt6-qtwebengine→ fixed in6.11.0-r9
    apk update && apk add --upgrade qt6-qtwebengine
Are YOU affected by CVE-2026-6732?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash
Continuous monitoring beats manual checking

CVE-2026-6732dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. From $9/mo, 14-day free trial, cancel anytime.

See StackPatch (from $9/mo)