Incorrect Calculation Affecting expat-debugsource package, versions <0:2.2.5-4.el8_5.3
Threat Intelligence
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-ROCKY8-EXPATDEBUGSOURCE-3277089
- published 3 Feb 2023
- disclosed 1 Jan 2022
Introduced: 1 Jan 2022
CVE-2021-45960 Open this link in a new tabHow to fix?
Upgrade Rocky-Linux:8 expat-debugsource to version 0:2.2.5-4.el8_5.3 or higher.
This issue was patched in RLSA-2022:0951.
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat-debugsource package and not the expat-debugsource package as distributed by Rocky-Linux.
See How to fix? for Rocky-Linux:8 relevant fixed versions and status.
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).
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45960
- http://www.openwall.com/lists/oss-security/2022/01/17/3
- https://bugzilla.mozilla.org/show_bug.cgi?id=1217609
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- https://github.com/libexpat/libexpat/issues/531
- https://github.com/libexpat/libexpat/pull/534
- https://security.gentoo.org/glsa/202209-24
- https://security.netapp.com/advisory/ntap-20220121-0004/
- https://www.debian.org/security/2022/dsa-5073
- https://www.tenable.com/security/tns-2022-05