CVE-2024-45491
expat: An issue was discovered in libexpat before 2.6.3
CVE-2024-45491 is fixed in 14 products on 1 platform, first by expat 2.2.5-3ubuntu0.9+esm1, released August 29, 2024. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
9.8
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0113
66th percentile
An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| expat · Debian 12.15 (bookworm) | 2.5.0-1+deb12u1 | DEBIAN-CVE-2024-45491 | Aug 30, 2024 |
| expat · Debian 13.5 (trixie) | 2.6.2-2 | DEBIAN-CVE-2024-45491 | Aug 30, 2024 |
| expat · Debian 14 | 2.6.2-2 | DEBIAN-CVE-2024-45491 | Aug 30, 2024 |
| expat · RHEL 8 | 0:2.2.5-15.el8_10 | RHSA-2024:6989 | Sep 24, 2024 |
| expat · RHEL 9 | 0:2.5.0-2.el9_4.1 | RHSA-2024:6754 | Sep 18, 2024 |
| expat · Ubuntu 18.04.6 LTS (bionic) | 2.2.5-3ubuntu0.9+esm1 | expat 2.2.5-3ubuntu0.9+esm1 | Aug 29, 2024 |
| expat · Ubuntu 20.04 LTS (focal) | 2.2.9-1ubuntu0.7 | expat 2.2.9-1ubuntu0.7 | Aug 29, 2024 |
| expat · Ubuntu 22.04.1 LTS (jammy) | 2.4.7-1ubuntu0.4 | expat 2.4.7-1ubuntu0.4 | Aug 29, 2024 |
| expat · Ubuntu 24.04.5 LTS (noble) | 2.6.1-2ubuntu0.1 | expat 2.6.1-2ubuntu0.1 | Aug 29, 2024 |
| expat · almalinux 8 | 2.2.5-15.el8_10 | ALSA-2024:6989 | Sep 24, 2024 |
| expat · almalinux 9 | 2.5.0-2.el9_4.1 | ALSA-2024:6754 | Sep 18, 2024 |
| expat · ol 8 | 0:2.2.5-15.0.1.el8_10 | ELSA-2024-6989 | Sep 24, 2024 |
| expat · ol 9 | 0:2.5.0-2.el9_4.1 | ELSA-2024-6754 | Sep 18, 2024 |
| expat · opensuse-leap 15.6 | 2.4.4-150400.3.22.1 | SUSE-SU-2024:3216-1 | Sep 12, 2024 |
| expat · rocky 8 | 0:2.2.5-15.el8_10 | RLSA-2024:6989 | Sep 30, 2024 |
| expat · rocky 9 | 0:2.5.0-2.el9_4.1 | RLSA-2024:6754 | Sep 30, 2024 |
| expat · sles 15.6 | 2.4.4-150400.3.22.1 | SUSE-SU-2024:3216-1 | Sep 12, 2024 |
| expat-devel · RHEL 8 | 0:2.2.5-15.el8_10 | RHSA-2024:6989 | Sep 24, 2024 |
| expat-devel · RHEL 9 | 0:2.5.0-2.el9_4.1 | RHSA-2024:6754 | Sep 18, 2024 |
| expat-devel · almalinux 8 | 2.2.5-15.el8_10 | ALSA-2024:6989 | Sep 24, 2024 |
| expat-devel · almalinux 9 | 2.5.0-2.el9_4.1 | ALSA-2024:6754 | Sep 18, 2024 |
| expat-devel · ol 8 | 0:2.2.5-15.0.1.el8_10 | ELSA-2024-6989 | Sep 24, 2024 |
| expat-devel · ol 9 | 0:2.5.0-2.el9_4.1 | ELSA-2024-6754 | Sep 18, 2024 |
| libexpat1 · Ubuntu 18.04.6 LTS (bionic) | 2.2.5-3ubuntu0.9+esm1 | libexpat1 2.2.5-3ubuntu0.9+esm1 | Aug 29, 2024 |
| libexpat1 · Ubuntu 20.04 LTS (focal) | 2.2.9-1ubuntu0.7 | libexpat1 2.2.9-1ubuntu0.7 | Aug 29, 2024 |
| libexpat1 · Ubuntu 22.04.1 LTS (jammy) | 2.4.7-1ubuntu0.4 | libexpat1 2.4.7-1ubuntu0.4 | Aug 29, 2024 |
| libexpat1 · Ubuntu 24.04.5 LTS (noble) | 2.6.1-2ubuntu0.1 | libexpat1 2.6.1-2ubuntu0.1 | Aug 29, 2024 |
| libxmltok1 · Ubuntu 18.04.6 LTS (bionic) | 1.2-4ubuntu0.18.04.1~esm3 | libxmltok1 1.2-4ubuntu0.18.04.1~esm3 | Aug 29, 2024 |
| libxmltok1 · Ubuntu 20.04 LTS (focal) | 1.2-4ubuntu0.20.04.1~esm3 | libxmltok1 1.2-4ubuntu0.20.04.1~esm3 | Aug 29, 2024 |
| libxmltok1 · Ubuntu 22.04.1 LTS (jammy) | 1.2-4ubuntu0.22.04.1~esm3 | libxmltok1 1.2-4ubuntu0.22.04.1~esm3 | Aug 29, 2024 |
| libxmltok1t64 · Ubuntu 24.04.5 LTS (noble) | 1.2-4.1ubuntu2.24.0.4.1+esm1 | libxmltok1t64 1.2-4.1ubuntu2.24.0.4.1+esm1 | Aug 29, 2024 |
| libxmltok1t64 · Ubuntu 24.10 (oracular) | 1.2-4.1ubuntu3 | libxmltok1t64 1.2-4.1ubuntu3 | Jan 16, 2026 |
| libxmltok1t64 · Ubuntu 25.04 (plucky) | 1.2-4.1ubuntu3 | libxmltok1t64 1.2-4.1ubuntu3 | Jan 16, 2026 |
| mozjs115 · opensuse-leap 15.6 | 115.4.0-150600.3.3.1 | SUSE-SU-2024:3538-1 | Oct 7, 2024 |
| mozjs115 · sles 15.6 | 115.4.0-150600.3.3.1 | SUSE-SU-2024:3538-1 | Oct 7, 2024 |
| mozjs52 · opensuse-leap 15.6 | 52.6.0-150000.3.9.1 | SUSE-SU-2025:4512-1 | Dec 23, 2025 |
| mozjs52 · sles 15.7 | 52.6.0-150000.3.9.1 | SUSE-SU-2025:4512-1 | Dec 23, 2025 |
| mozjs60 · opensuse-leap 15.6 | 60.9.0-150200.6.8.1 | SUSE-SU-2026:0044-1 | Jan 6, 2026 |
| mozjs60 · sles 15.7 | 60.9.0-150200.6.8.1 | SUSE-SU-2026:0044-1 | Jan 6, 2026 |
| mozjs78 · opensuse-leap 15.6 | 78.15.0-150400.3.6.2 | SUSE-SU-2024:3554-1 | Oct 9, 2024 |
| mozjs78 · sles 15.6 | 78.15.0-150400.3.6.2 | SUSE-SU-2024:3554-1 | Oct 9, 2024 |
| xmlrpc-c · RHEL 8 | 0:1.51.0-10.el8_10 | RHSA-2024:8859 | Nov 5, 2024 |
| xmlrpc-c · almalinux 8 | 1.51.0-10.el8_10 | ALSA-2024:8859 | Nov 5, 2024 |
| xmlrpc-c · ol 8 | 0:1.51.0-10.el8_10 | ELSA-2024-8859 | Nov 5, 2024 |
| xmlrpc-c · rocky 8 | 0:1.51.0-10.el8_10 | RLSA-2024:8859 | Nov 8, 2024 |
| xmlrpc-c-c++ · RHEL 8 | 0:1.51.0-10.el8_10 | RHSA-2024:8859 | Nov 5, 2024 |
| xmlrpc-c-c++ · almalinux 8 | 1.51.0-10.el8_10 | ALSA-2024:8859 | Nov 5, 2024 |
| xmlrpc-c-c++ · ol 8 | 0:1.51.0-10.el8_10 | ELSA-2024-8859 | Nov 5, 2024 |
| xmlrpc-c-client · RHEL 8 | 0:1.51.0-10.el8_10 | RHSA-2024:8859 | Nov 5, 2024 |
| xmlrpc-c-client · almalinux 8 | 1.51.0-10.el8_10 | ALSA-2024:8859 | Nov 5, 2024 |
| xmlrpc-c-client · ol 8 | 0:1.51.0-10.el8_10 | ELSA-2024-8859 | Nov 5, 2024 |
| xmlrpc-c-client++ · RHEL 8 | 0:1.51.0-10.el8_10 | RHSA-2024:8859 | Nov 5, 2024 |
| xmlrpc-c-client++ · almalinux 8 | 1.51.0-10.el8_10 | ALSA-2024:8859 | Nov 5, 2024 |
| xmlrpc-c-client++ · ol 8 | 0:1.51.0-10.el8_10 | ELSA-2024-8859 | Nov 5, 2024 |
| xmlrpc-c-devel · RHEL 8 | 0:1.51.0-10.el8_10 | RHSA-2024:8859 | Nov 5, 2024 |
| xmlrpc-c-devel · almalinux 8 | 1.51.0-10.el8_10 | ALSA-2024:8859 | Nov 5, 2024 |
| xmlrpc-c-devel · ol 8 | 0:1.51.0-10.el8_10 | ELSA-2024-8859 | Nov 5, 2024 |
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