CVE catalog

CVE-2024-45490

xmltok library vulnerabilities

[CVE catalog]

Severity
Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
Source
[NVD] · [CVE record]
EPSS
1.69% · Oct 25, 2026

An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianexpatsid2.9.0-1fixed
Debianexpatforky2.9.0-1fixed
Debianexpattrixie2.8.3-1~deb13u1fixed
Debianexpattrixie-security2.9.0-1~deb13u1fixed
Debianexpatbookworm2.5.0-1+deb12u2fixed
Debianexpatbookworm-security2.5.0-1+deb12u5fixed
Debianlibxmltokbookworm1.2-4vulnerable
UbuntulibxmltoknobleNot reportedvulnerable
Ubuntuexpatnoble2.5.0-1+deb12u1fixed
Ubuntulibxmltoknoble1.2-4.1ubuntu2.24.0.4.1+esm1fixed
Ubuntulibxmltok1-devnoble1.2-4.1ubuntu2.24.0.4.1+esm1fixed
Ubuntulibxmltok1t64noble1.2-4.1ubuntu2.24.0.4.1+esm1fixed
Ubuntuexpatnoble2.6.1-2ubuntu0.1fixed
Ubuntulibexpat1noble2.6.1-2ubuntu0.1fixed
Ubuntulibexpat1-devnoble2.6.1-2ubuntu0.1fixed
Alpineexpat3.172.6.3-r0fixed
Alpineexpat3.182.6.3-r0fixed
Alpineexpat3.192.6.3-r0fixed
Alpineexpat3.202.6.3-r0fixed
Alpineexpat3.212.6.3-r0fixed
Alpineexpat3.222.6.3-r0fixed
Alpineexpat3.232.6.3-r0fixed
Alpineexpat3.242.6.3-r0fixed
Ubuntuexpatpro2.2.3-1vulnerable
Ubuntuexpatpro2.2.3-2vulnerable
Ubuntuexpatpro2.2.5-0ubuntu2vulnerable
Ubuntuexpatpro2.2.5-3vulnerable
Ubuntuexpatpro2.2.5-3ubuntu0.1vulnerable
Ubuntuexpatpro2.2.5-3ubuntu0.2vulnerable
Ubuntuexpatpro2.2.5-3ubuntu0.4vulnerable
Ubuntuexpatpro2.2.5-3ubuntu0.7vulnerable
Ubuntuexpatpro2.2.5-3ubuntu0.8vulnerable
Ubuntuexpatpro2.2.5-3ubuntu0.9vulnerable
Ubuntuexpatpro2.2.5-3ubuntu0.9+esm1fixed
Ubuntuexpat20.042.2.7-2vulnerable
Ubuntuexpat20.042.2.9-1vulnerable
Ubuntuexpat20.042.2.9-1build1vulnerable
Ubuntuexpat20.042.2.9-1ubuntu0.2vulnerable
Ubuntuexpat20.042.2.9-1ubuntu0.4vulnerable
Ubuntuexpat20.042.2.9-1ubuntu0.5vulnerable
Ubuntuexpat20.042.2.9-1ubuntu0.6vulnerable
Ubuntuexpat20.042.2.9-1ubuntu0.7fixed
Ubuntuexpat24.042.5.0-2vulnerable
Ubuntuexpat24.042.6.0-1vulnerable
Ubuntuexpat24.042.6.1-2vulnerable
Ubuntuexpat24.042.6.1-2build1vulnerable
Ubuntuexpat24.042.6.1-2ubuntu0.1fixed
Ubuntulibxmltokpro1.2-4vulnerable
Ubuntulibxmltokpro1.2-4ubuntu0.22.04.1~esm1vulnerable
Ubuntulibxmltokpro1.2-4ubuntu0.22.04.1~esm2vulnerable
Ubuntulibxmltokpro1.2-4ubuntu0.22.04.1~esm3fixed
Ubuntulibxmltokpro1.2-4ubuntu1vulnerable
Ubuntulibxmltokpro1.2-4.1ubuntu1vulnerable
Ubuntulibxmltokpro1.2-4.1ubuntu2vulnerable
Ubuntulibxmltokpro1.2-4.1ubuntu2.24.0.4.1+esm1fixed
Ubuntuexpat22.042.4.1-2vulnerable
Ubuntuexpat22.042.4.1-3vulnerable
Ubuntuexpat22.042.4.2-1vulnerable
Ubuntuexpat22.042.4.3-1vulnerable
Ubuntuexpat22.042.4.3-2vulnerable
Ubuntuexpat22.042.4.4-1vulnerable
Ubuntuexpat22.042.4.6-1vulnerable
Ubuntuexpat22.042.4.7-1vulnerable
Ubuntuexpat22.042.4.7-1ubuntu0.1vulnerable
Ubuntuexpat22.042.4.7-1ubuntu0.2vulnerable
Ubuntuexpat22.042.4.7-1ubuntu0.3vulnerable
Ubuntuexpat22.042.4.7-1ubuntu0.4fixed
Susemozjs52linux enterprise module for package hub 15 sp752.6.0-150000.3.9.1fixed
Opensusemozjs52leap 15.652.6.0-150000.3.9.1fixed
Susemozjs60linux enterprise micro 5.360.9.0-150200.6.8.1fixed
Susemozjs60linux enterprise micro 5.460.9.0-150200.6.8.1fixed
Susemozjs60linux enterprise module for basesystem 15 sp760.9.0-150200.6.8.1fixed
Susemozjs60linux enterprise module for desktop applications 15 sp760.9.0-150200.6.8.1fixed
Susemozjs60linux enterprise micro 5.260.9.0-150200.6.8.1fixed
Opensusemozjs60leap 15.660.9.0-150200.6.8.1fixed
Opensusemozjs128tumbleweed128.2.0-2.1fixed
Opensusex3270tumbleweed4.3-4.1fixed
Susemozjs78linux enterprise module for desktop applications 15 sp578.15.0-150400.3.6.2fixed
Susemozjs78linux enterprise module for package hub 15 sp578.15.0-150400.3.6.2fixed
Susemozjs78linux enterprise module for package hub 15 sp678.15.0-150400.3.6.2fixed
Opensusemozjs78leap 15.578.15.0-150400.3.6.2fixed
Opensusemozjs78leap 15.678.15.0-150400.3.6.2fixed
Susemozjs115linux enterprise module for desktop applications 15 sp6115.4.0-150600.3.3.1fixed
Opensusemozjs115leap 15.6115.4.0-150600.3.3.1fixed
Opensuseexpattumbleweed2.6.3-1.1fixed
Opensusemozjs115tumbleweed115.4.0-5.1fixed
Suseexpatlinux enterprise micro 5.32.4.4-150400.3.22.1fixed
Suseexpatlinux enterprise micro 5.42.4.4-150400.3.22.1fixed
Suseexpatlinux enterprise micro 5.52.4.4-150400.3.22.1fixed
Suseexpatlinux enterprise module for basesystem 15 sp52.4.4-150400.3.22.1fixed
Suseexpatlinux enterprise module for basesystem 15 sp62.4.4-150400.3.22.1fixed
Opensuseexpatleap micro 5.52.4.4-150400.3.22.1fixed
Opensuseexpatleap 15.52.4.4-150400.3.22.1fixed
Opensuseexpatleap 15.62.4.4-150400.3.22.1fixed
Suseexpatlinux enterprise software development kit 12 sp52.1.0-21.37.1fixed
Suseexpatlinux enterprise server 12 sp52.1.0-21.37.1fixed
Suseexpatlinux enterprise server for sap applications 12 sp52.1.0-21.37.1fixed
Suseexpatlinux enterprise micro 5.12.2.5-150000.3.30.1fixed
Suseexpatlinux enterprise micro 5.22.2.5-150000.3.30.1fixed
Opensusemozjs78tumbleweed78.15.0-5.1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianexpatsourcesid2.6.2-2not yet assignedNot reported[1080149]
Debianexpatsourceforky2.6.2-2not yet assignedNot reported[1080149]
Debianexpatsourcetrixie2.6.2-2not yet assignedNot reported[1080149]
Debianexpatsourcebookworm2.5.0-1+deb12u1not yet assignedNot reported[1080149]
Debianlibxmltoksourcebookworm(unfixed)not yet assignedNot reportedNot reported
Ubuntuexpatdebnoble2.5.0-1+deb12u1Not reportedNot reportedNot reported
Ubuntulibxmltokdebnoble1.2-4.1ubuntu2.24.0.4.1+esm1Not reportedNot reportedNot reported
Ubuntulibxmltok1-devdebnoble1.2-4.1ubuntu2.24.0.4.1+esm1Not reportedNot reportedNot reported
Ubuntulibxmltok1t64debnoble1.2-4.1ubuntu2.24.0.4.1+esm1Not reportedNot reportedNot reported
Ubuntuexpatdebnoble2.6.1-2ubuntu0.1Not reportedNot reportedNot reported
Ubuntulibexpat1debnoble2.6.1-2ubuntu0.1Not reportedNot reportedNot reported
Ubuntulibexpat1-devdebnoble2.6.1-2ubuntu0.1Not reportedNot reportedNot reported
Alpineexpatapk3.172.6.3-r0Not reportedALPINE-CVE-2024-45490Not reported
Alpineexpatapk3.182.6.3-r0Not reportedALPINE-CVE-2024-45490Not reported
Alpineexpatapk3.192.6.3-r0Not reportedALPINE-CVE-2024-45490Not reported
Alpineexpatapk3.202.6.3-r0Not reportedALPINE-CVE-2024-45490Not reported
Alpineexpatapk3.212.6.3-r0Not reportedALPINE-CVE-2024-45490Not reported
Alpineexpatapk3.222.6.3-r0Not reportedALPINE-CVE-2024-45490Not reported
Alpineexpatapk3.232.6.3-r0Not reportedALPINE-CVE-2024-45490Not reported
Alpineexpatapk3.242.6.3-r0Not reportedALPINE-CVE-2024-45490Not reported
Ubuntuexpatdebpro2.2.5-3ubuntu0.9+esm1Not reportedUSN-7000-1Not reported
Ubuntuexpatdeb20.042.2.9-1ubuntu0.7Not reportedUSN-7000-1Not reported
Ubuntuexpatdeb24.042.6.1-2ubuntu0.1Not reportedUSN-7000-1Not reported
Ubuntulibxmltokdebpro1.2-4ubuntu0.22.04.1~esm3Not reportedUSN-7001-1Not reported
Ubuntulibxmltokdebpro1.2-4.1ubuntu2.24.0.4.1+esm1Not reportedUSN-7001-2Not reported
Ubuntuexpatdeb22.042.4.7-1ubuntu0.4Not reportedUSN-7000-2Not reported
Susemozjs52rpmlinux enterprise module for package hub 15 sp752.6.0-150000.3.9.1Not reportedSUSE-SU-2025:4512-1Not reported
Opensusemozjs52rpmleap 15.652.6.0-150000.3.9.1Not reportedSUSE-SU-2025:4512-1Not reported
Susemozjs60rpmlinux enterprise micro 5.360.9.0-150200.6.8.1Not reportedSUSE-SU-2026:0044-1Not reported
Susemozjs60rpmlinux enterprise micro 5.460.9.0-150200.6.8.1Not reportedSUSE-SU-2026:0044-1Not reported
Susemozjs60rpmlinux enterprise module for basesystem 15 sp760.9.0-150200.6.8.1Not reportedSUSE-SU-2026:0044-1Not reported
Susemozjs60rpmlinux enterprise module for desktop applications 15 sp760.9.0-150200.6.8.1Not reportedSUSE-SU-2026:0044-1Not reported
Susemozjs60rpmlinux enterprise micro 5.260.9.0-150200.6.8.1Not reportedSUSE-SU-2026:0044-1Not reported
Opensusemozjs60rpmleap 15.660.9.0-150200.6.8.1Not reportedSUSE-SU-2026:0044-1Not reported
Opensusemozjs128rpmtumbleweed128.2.0-2.1Not reportedOPENSUSE-SU-2024:14380-1Not reported
Opensusex3270rpmtumbleweed4.3-4.1Not reportedOPENSUSE-SU-2024:14328-1Not reported
Susemozjs78rpmlinux enterprise module for desktop applications 15 sp578.15.0-150400.3.6.2Not reportedSUSE-SU-2024:3554-1Not reported
Susemozjs78rpmlinux enterprise module for package hub 15 sp578.15.0-150400.3.6.2Not reportedSUSE-SU-2024:3554-1Not reported
Susemozjs78rpmlinux enterprise module for package hub 15 sp678.15.0-150400.3.6.2Not reportedSUSE-SU-2024:3554-1Not reported
Opensusemozjs78rpmleap 15.578.15.0-150400.3.6.2Not reportedSUSE-SU-2024:3554-1Not reported
Opensusemozjs78rpmleap 15.678.15.0-150400.3.6.2Not reportedSUSE-SU-2024:3554-1Not reported
Susemozjs115rpmlinux enterprise module for desktop applications 15 sp6115.4.0-150600.3.3.1Not reportedSUSE-SU-2024:3538-1Not reported
Opensusemozjs115rpmleap 15.6115.4.0-150600.3.3.1Not reportedSUSE-SU-2024:3538-1Not reported
Opensuseexpatrpmtumbleweed2.6.3-1.1Not reportedOPENSUSE-SU-2024:14322-1Not reported
Opensusemozjs115rpmtumbleweed115.4.0-5.1Not reportedOPENSUSE-SU-2024:14379-1Not reported
Suseexpatrpmlinux enterprise micro 5.32.4.4-150400.3.22.1Not reportedSUSE-SU-2024:3216-1Not reported
Suseexpatrpmlinux enterprise micro 5.42.4.4-150400.3.22.1Not reportedSUSE-SU-2024:3216-1Not reported
Suseexpatrpmlinux enterprise micro 5.52.4.4-150400.3.22.1Not reportedSUSE-SU-2024:3216-1Not reported
Suseexpatrpmlinux enterprise module for basesystem 15 sp52.4.4-150400.3.22.1Not reportedSUSE-SU-2024:3216-1Not reported
Suseexpatrpmlinux enterprise module for basesystem 15 sp62.4.4-150400.3.22.1Not reportedSUSE-SU-2024:3216-1Not reported
Opensuseexpatrpmleap micro 5.52.4.4-150400.3.22.1Not reportedSUSE-SU-2024:3216-1Not reported
Opensuseexpatrpmleap 15.52.4.4-150400.3.22.1Not reportedSUSE-SU-2024:3216-1Not reported
Opensuseexpatrpmleap 15.62.4.4-150400.3.22.1Not reportedSUSE-SU-2024:3216-1Not reported
Suseexpatrpmlinux enterprise software development kit 12 sp52.1.0-21.37.1Not reportedSUSE-SU-2024:3182-1Not reported
Suseexpatrpmlinux enterprise server 12 sp52.1.0-21.37.1Not reportedSUSE-SU-2024:3182-1Not reported
Suseexpatrpmlinux enterprise server for sap applications 12 sp52.1.0-21.37.1Not reportedSUSE-SU-2024:3182-1Not reported
Suseexpatrpmlinux enterprise micro 5.12.2.5-150000.3.30.1Not reportedSUSE-SU-2024:3515-1Not reported
Suseexpatrpmlinux enterprise micro 5.22.2.5-150000.3.30.1Not reportedSUSE-SU-2024:3515-1Not reported
Opensusemozjs78rpmtumbleweed78.15.0-5.1Not reportedOPENSUSE-SU-2024:14381-1Not reported

[Debian bug #1080149]

Notes

[bookworm] libxmltok: Minor issue, no runtime dependencies left

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [libxmltok1]Affected

    Source package: [libxmltok]

    Details (2)
    • 1.2-4 · amd64 · bookworm

      Affected

      usn · libxmltok · debian · bookworm; usn · libxmltok · debian · 12

    • 1.2-4 · arm64 · bookworm

      Affected

      usn · libxmltok · debian · bookworm; usn · libxmltok · debian · 12

  • [libxmltok1-dev]Affected

    Source package: [libxmltok]

    Details (2)
    • 1.2-4 · amd64 · bookworm

      Affected

      usn · libxmltok · debian · bookworm; usn · libxmltok · debian · 12

    • 1.2-4 · arm64 · bookworm

      Affected

      usn · libxmltok · debian · bookworm; usn · libxmltok · debian · 12

  • [expat]Fixed
    Details (4)
    • 2.5.0-1+deb12u2 · amd64 · bookworm

      Fixed · Fixed: 2.5.0-1+deb12u1

      usn · expat · debian · bookworm; usn · expat · debian · 12

    • 2.5.0-1+deb12u2 · arm64 · bookworm

      Fixed · Fixed: 2.5.0-1+deb12u1

      usn · expat · debian · bookworm; usn · expat · debian · 12

    • 2.5.0-1+deb12u3 · amd64 · bookworm-security

      Fixed · Fixed: 2.5.0-1+deb12u1

      usn · expat · debian · bookworm; usn · expat · debian · 12

    • 2.5.0-1+deb12u3 · arm64 · bookworm-security

      Fixed · Fixed: 2.5.0-1+deb12u1

      usn · expat · debian · bookworm; usn · expat · debian · 12

  • [libexpat1]Fixed

    Source package: [expat]

    Details (4)
    • 2.5.0-1+deb12u2 · amd64 · bookworm

      Fixed · Fixed: 2.5.0-1+deb12u1

      usn · expat · debian · bookworm; usn · expat · debian · 12

    • 2.5.0-1+deb12u2 · arm64 · bookworm

      Fixed · Fixed: 2.5.0-1+deb12u1

      usn · expat · debian · bookworm; usn · expat · debian · 12

    • 2.5.0-1+deb12u3 · amd64 · bookworm-security

      Fixed · Fixed: 2.5.0-1+deb12u1

      usn · expat · debian · bookworm; usn · expat · debian · 12

    • 2.5.0-1+deb12u3 · arm64 · bookworm-security

      Fixed · Fixed: 2.5.0-1+deb12u1

      usn · expat · debian · bookworm; usn · expat · debian · 12

  • Source package: [expat]

    Details (4)
    • 2.5.0-1+deb12u2 · amd64 · bookworm

      Fixed · Fixed: 2.5.0-1+deb12u1

      usn · expat · debian · bookworm; usn · expat · debian · 12

    • 2.5.0-1+deb12u2 · arm64 · bookworm

      Fixed · Fixed: 2.5.0-1+deb12u1

      usn · expat · debian · bookworm; usn · expat · debian · 12

    • 2.5.0-1+deb12u3 · amd64 · bookworm-security

      Fixed · Fixed: 2.5.0-1+deb12u1

      usn · expat · debian · bookworm; usn · expat · debian · 12

    • 2.5.0-1+deb12u3 · arm64 · bookworm-security

      Fixed · Fixed: 2.5.0-1+deb12u1

      usn · expat · debian · bookworm; usn · expat · debian · 12

[openSUSE Tumbleweed]

  • [libexpat1]Unknown

    Source package: [expat]

    Details (1)
    • 2.8.2-1.1 · x86_64 · tumbleweed

      Unknown · Fixed: 2.6.3-1.1

      Version impact unknown

      usn · expat · opensuse · tumbleweed

  • Source package: [expat]

    Details (1)
    • 2.8.2-1.1 · x86_64 · tumbleweed

      Unknown · Fixed: 2.6.3-1.1

      Version impact unknown

      usn · expat · opensuse · tumbleweed

  • Source package: [expat]

    Details (1)
    • 2.8.2-1.1 · x86_64 · tumbleweed

      Unknown · Fixed: 2.6.3-1.1

      Version impact unknown

      usn · expat · opensuse · tumbleweed

  • Source package: [expat]

    Details (1)
    • 2.8.2-1.1 · x86_64 · tumbleweed

      Unknown · Fixed: 2.6.3-1.1

      Version impact unknown

      usn · expat · opensuse · tumbleweed

  • [expat]Fixed

    Source package: [expat]

    Details (1)
    • 2.8.2-1.1 · x86_64 · tumbleweed

      Fixed · Fixed: 2.6.3-1.1

      usn · expat · opensuse · tumbleweed

  • [x3270]Fixed

    Source package: [x3270]

    Details (1)
    • 4.5-1.5 · x86_64 · tumbleweed

      Fixed · Fixed: 4.3-4.1

      usn · x3270 · opensuse · tumbleweed

[Debian 13 (Trixie)]

  • [expat]Fixed
    Details (6)
    • 2.7.1-2 · amd64 · trixie

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.7.1-2 · arm64 · trixie

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.8.2-1~deb13u1 · amd64 · trixie-security · Historical version

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.8.3-1~deb13u1 · amd64 · trixie-security · Historical version

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.8.3-1~deb13u1 · arm64 · trixie-security

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.9.0-1~deb13u1 · amd64 · trixie-security

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

  • [libexpat1]Fixed

    Source package: [expat]

    Details (6)
    • 2.7.1-2 · amd64 · trixie

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.7.1-2 · arm64 · trixie

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.8.2-1~deb13u1 · amd64 · trixie-security · Historical version

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.8.3-1~deb13u1 · amd64 · trixie-security · Historical version

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.8.3-1~deb13u1 · arm64 · trixie-security

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.9.0-1~deb13u1 · amd64 · trixie-security

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

  • Source package: [expat]

    Details (6)
    • 2.7.1-2 · amd64 · trixie

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.7.1-2 · arm64 · trixie

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.8.2-1~deb13u1 · amd64 · trixie-security · Historical version

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.8.3-1~deb13u1 · amd64 · trixie-security · Historical version

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.8.3-1~deb13u1 · arm64 · trixie-security

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

    • 2.9.0-1~deb13u1 · amd64 · trixie-security

      Fixed · Fixed: 2.6.2-2

      usn · expat · debian · 13

Observed:

References

[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]