vulnerability
CentOS Linux: CVE-2021-45960: Important: expat security update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:L/Au:S/C:C/I:C/A:C) | Jan 1, 2022 | Mar 17, 2022 | May 25, 2023 |
Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
Jan 1, 2022
Added
Mar 17, 2022
Modified
May 25, 2023
Description
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).
Solutions
centos-upgrade-expatcentos-upgrade-expat-debuginfocentos-upgrade-expat-debugsourcecentos-upgrade-expat-develcentos-upgrade-expat-static
References
Rapid7 Labs
2026 Global Threat Landscape Report
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