libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.
CVSS Details
- CVSS 3.1 Base Score: 2.9
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade expat | Jun 18, 2026 | Apr 16, 2026 |
| Amazon Linux Ami 2 | — | Upgrade firefoxUpgrade thunderbird | Jun 8, 2026 | Jun 8, 2026 |
| Amazon_linux_2023 | — | Upgrade firefox-debuginfoUpgrade firefoxUpgrade firefox-debugsource | May 19, 2026 | Apr 16, 2026 |
| Debian | — | Upgrade expat | Aug 2, 2026 | Aug 2, 2026 |
| Freebsd | — | Upgrade expat | Apr 27, 2026 | Apr 26, 2026 |
| Ibm Aix | — | Apply the fix or workaround for python_advisory20 | Jul 15, 2026 | Jul 14, 2026 |
| Ibm Http_server | — | Apply IBM HTTP Server Interim Fix PH71061Apply IBM HTTP Server version 8.5.5.30 or laterApply IBM HTTP Server version 9.0.5.28 or later | May 28, 2026 | May 11, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Apr 16, 2026 |
| Ubuntu | — | Upgrade lib64expat1 (Ubuntu Pro)Upgrade libexpat1-dev (Ubuntu Pro)Upgrade expatUpgrade expat (Ubuntu Pro)Upgrade lib64expat1-dev (Ubuntu Pro)Upgrade libexpat1-devUpgrade libexpat1Upgrade libexpat1 (Ubuntu Pro) | Jul 12, 2026 | Jul 9, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Apr 16, 2026 |
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