CVE-2026-32777
libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
CVE-2026-32777 is fixed in 7 products on 1 platform, first by DEBIAN-CVE-2026-32777, released March 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
5.5
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0023
13th percentile
libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| MozillaFirefox · opensuse-leap 16.0 | 153.5.0-160000.1.1 | OPENSUSE-SU-2026:22139-1 | Nov 7, 2026 |
| MozillaFirefox · sles 15.6 | 153.5.0-150400.157.16.1 | SUSE-SU-2026:4834-1 | Nov 7, 2026 |
| MozillaFirefox · sles 15.7 | 153.5.0-150400.157.16.1 | SUSE-SU-2026:4834-1 | Nov 7, 2026 |
| MozillaFirefox · sles 16.0 | 153.5.0-160000.1.1 | SUSE-SU-2026:24260-1 | Nov 7, 2026 |
| MozillaThunderbird · sles 15.7 | 153.5.0-150400.13.9.1 | SUSE-SU-2026:4736-1 | Nov 7, 2026 |
| expat · Debian 12.15 (bookworm) | 2.5.0-1+deb12u4 | DEBIAN-CVE-2026-32777 | Mar 16, 2026 |
| expat · Debian 13.5 (trixie) | 2.8.2-1~deb13u1 | DEBIAN-CVE-2026-32777 | Mar 16, 2026 |
| expat · Debian 14 | 2.7.5-1 | DEBIAN-CVE-2026-32777 | Mar 16, 2026 |
| expat · Ubuntu 18.04.6 LTS (bionic) | 2.2.5-3ubuntu0.9+esm4 | expat 2.2.5-3ubuntu0.9+esm4 | Jun 21, 2026 |
| expat · Ubuntu 20.04 LTS (focal) | 2.2.9-1ubuntu0.8+esm2 | expat 2.2.9-1ubuntu0.8+esm2 | Jun 21, 2026 |
| expat · Ubuntu 22.04.1 LTS (jammy) | 2.4.7-1ubuntu0.8 | expat 2.4.7-1ubuntu0.8 | Jun 21, 2026 |
| expat · Ubuntu 24.04.5 LTS (noble) | 2.6.1-2ubuntu0.5 | expat 2.6.1-2ubuntu0.5 | Jun 21, 2026 |
| expat · Ubuntu 26.04.1 LTS (resolute) | 2.7.4-1ubuntu0.1 | expat 2.7.4-1ubuntu0.1 | Jun 21, 2026 |
| expat · opensuse-leap 15.6 | 2.7.1-150400.3.37.1 | SUSE-SU-2026:1166-1 | Apr 2, 2026 |
| expat · opensuse-leap 16.0 | 2.8.5-160000.1.1 | OPENSUSE-SU-2026:22177-1 | Nov 7, 2026 |
| expat · sles 15.6 | 2.8.5-150400.3.40.1 | SUSE-SU-2026:4623-1 | Nov 7, 2026 |
| expat · sles 15.7 | 2.8.5-150700.3.15.1 | SUSE-SU-2026:4619-1 | Nov 7, 2026 |
| expat · sles 16.0 | 2.8.5-160000.1.1 | SUSE-SU-2026:24469-1 | Nov 7, 2026 |
| firefox · amzn 2023 | 140.8.0-1.amzn2023.0.2 | ALAS2023-2026-1518 | Mar 30, 2026 |
| firefox-debuginfo · amzn 2023 | 140.8.0-1.amzn2023.0.2 | ALAS2023-2026-1518 | Mar 30, 2026 |
| firefox-debugsource · amzn 2023 | 140.8.0-1.amzn2023.0.2 | ALAS2023-2026-1518 | Mar 30, 2026 |
| libexpat1 · Ubuntu 18.04.6 LTS (bionic) | 2.2.5-3ubuntu0.9+esm4 | libexpat1 2.2.5-3ubuntu0.9+esm4 | Jun 21, 2026 |
| libexpat1 · Ubuntu 20.04 LTS (focal) | 2.2.9-1ubuntu0.8+esm2 | libexpat1 2.2.9-1ubuntu0.8+esm2 | Jun 21, 2026 |
| libexpat1 · Ubuntu 22.04.1 LTS (jammy) | 2.4.7-1ubuntu0.8 | libexpat1 2.4.7-1ubuntu0.8 | Jun 21, 2026 |
| libexpat1 · Ubuntu 24.04.5 LTS (noble) | 2.6.1-2ubuntu0.5 | libexpat1 2.6.1-2ubuntu0.5 | Jun 21, 2026 |
| libexpat1 · Ubuntu 26.04.1 LTS (resolute) | 2.7.4-1ubuntu0.1 | libexpat1 2.7.4-1ubuntu0.1 | Jun 21, 2026 |
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