Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2024-45490: An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer. CVE-2023-52425: libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed. Considering the tradeoff between the stability of Amazon Linux and the impact of CVE-2023-52425 a fix will not be provided for firefox and thunderbird in Amazon Linux 2 at this time.
Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | expat | 0:2.6.3-1.amzn2023.0.1 |
| Amazon Linux · 2023 | expat-debuginfo | 0:2.6.3-1.amzn2023.0.1 |
| Amazon Linux · 2023 | expat-debugsource | 0:2.6.3-1.amzn2023.0.1 |
| Amazon Linux · 2023 | expat-devel | 0:2.6.3-1.amzn2023.0.1 |
| Amazon Linux · 2023 | expat-static | 0:2.6.3-1.amzn2023.0.1 |
Vulnerabilities 2
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Critical 9.8CVE-2024-45490 Public exploit
An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer.
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High 7.5
libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in t…