High [CVE-2026-93990] XML Injection via Malformed UTF-16 Input
This high-severity Red Hat Linux advisory covers CVE-2026-93990; related products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
Android app · Google Play
Monitor future Red Hat Linux CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Summary
XML Injection via Malformed UTF-16 Input. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-176. Red Hat lists fixing advisory RHSA-2026:74001 with package expat-main-2.8.4-0.2.hum1, expat-0:2.7.3-1.el10_2.5, expat-0:2.5.0-4.el8_10, expat-0:2.5.0-6.el9_8.5.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
- 2.8.4
Official advisory · high-confidence parse· fetched 8 days ago·verify at source
- expat-main-2.8.4-0.2.hum1
- expat-0:2.7.3-1.el10_2.5
- expat-0:2.5.0-4.el8_10
- expat-0:2.5.0-6.el9_8.5
- RHSA-2026:74001
Official advisory · high-confidence parse· fetched 8 days ago·verify at source
Mitigation checklist
- To mitigate this restrict which hosts can send XML (including UTF-16) to Expat-based services with a host firewall and network segmentation. Where applications allow, prefer UTF-8-only input and reject unexpected encodings.
Official advisory · high-confidence parse· fetched 8 days ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.