Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2021-45960: 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).
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | expat | 0:2.1.0-12.amzn2.0.4 |
| Amazon Linux · 2 | expat-debuginfo | 0:2.1.0-12.amzn2.0.4 |
| Amazon Linux · 2 | expat-devel | 0:2.1.0-12.amzn2.0.4 |
| Amazon Linux · 2 | expat-static | 0:2.1.0-12.amzn2.0.4 |
Vulnerabilities 1
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High 8.8CVE-2021-45960 Public exploit
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can l…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2021-45960.html