Updated: 2026-02-27 01:52:20.180311
Description:
xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | HIGH | 7.5 |
| CVSS Version 3.x | CRITICAL | 9.8 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| CentOS 6 ELS | expat | 2.0.1 | 9.8 | CRITICAL | Released | CLSA-2022:1660762248 | 2022-08-29 14:02:38 | |
| CentOS 7 ELS | expat | 2.1.0 | 9.8 | CRITICAL | Already Fixed | 2023-09-19 09:30:31 | ||
| CentOS 8.4 ELS | expat | 2.2.5 | 9.8 | CRITICAL | Released | CLSA-2022:1660757175 | 2022-08-17 14:02:32 | |
| CentOS 8.5 ELS | expat | 2.2.5 | 9.8 | CRITICAL | Released | CLSA-2022:1660758476 | 2022-08-17 14:02:32 | |
| CloudLinux 6 ELS | expat | 2.0.1 | 9.8 | CRITICAL | Released | CLSA-2022:1660820620 | 2022-08-29 11:02:37 | |
| Debian 10 ELS | expat | 2.2.6 | 9.8 | CRITICAL | Already Fixed | 2025-10-15 20:19:11 | ||
| Oracle Linux 6 ELS | expat | 2.0.1 | 9.8 | CRITICAL | Released | CLSA-2022:1660759632 | 2022-08-17 17:02:27 | |
| Ubuntu 16.04 ELS | expat | 2.1.0 | 9.8 | CRITICAL | Released | CLSA-2022:1660760528 | 2022-08-17 17:02:27 | |
| Ubuntu 18.04 ELS | expat | 2.2.5-3 | 9.8 | CRITICAL | Already Fixed | 2023-05-29 08:56:52 |