Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-56132: In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers.
Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | expat | 0:2.6.3-1.amzn2023.0.5 |
| Amazon Linux · 2023 | expat-debuginfo | 0:2.6.3-1.amzn2023.0.5 |
| Amazon Linux · 2023 | expat-debugsource | 0:2.6.3-1.amzn2023.0.5 |
| Amazon Linux · 2023 | expat-devel | 0:2.6.3-1.amzn2023.0.5 |
| Amazon Linux · 2023 | expat-static | 0:2.6.3-1.amzn2023.0.5 |
Vulnerabilities 1
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Medium 6.9
In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing arra…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-56132.html