Updated: 2026-02-27 02:20:51.604236
Description:
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
| 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 14:02:27 | |
| CentOS 7 ELS | expat | 2.1.0 | 9.8 | CRITICAL | Already Fixed | 2023-09-19 09:30:32 | ||
| CentOS 8.4 ELS | expat | 2.2.5 | 9.8 | CRITICAL | Released | CLSA-2022:1660757175 | 2022-08-17 14:02:23 | |
| CentOS 8.5 ELS | expat | 2.2.5 | 9.8 | CRITICAL | Released | CLSA-2022:1660758476 | 2022-08-17 14:02:23 | |
| CloudLinux 6 ELS | expat | 2.0.1 | 9.8 | CRITICAL | Released | CLSA-2022:1660820620 | 2022-08-29 11:02:29 | |
| Debian 10 ELS | expat | 2.2.6 | 9.8 | CRITICAL | Already Fixed | 2025-10-15 20:18:54 | ||
| Oracle Linux 6 ELS | expat | 2.0.1 | 9.8 | CRITICAL | Released | CLSA-2022:1660759632 | 2022-08-17 17:02:13 | |
| Ubuntu 16.04 ELS | expat | 2.1.0 | 9.8 | CRITICAL | Released | CLSA-2022:1660760528 | 2022-08-17 17:02:14 | |
| Ubuntu 18.04 ELS | expat | 2.2.5-3 | 9.8 | CRITICAL | Already Fixed | 2023-04-28 08:48:29 |