Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-53689: libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connection to a crafted NFS server. This occurs in libnfs_zdr_string in lib/libnfs-zdr.c.
Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | libnfs | 0:4.0.0-4.amzn2023.0.3 |
| Amazon Linux · 2023 | libnfs-debuginfo | 0:4.0.0-4.amzn2023.0.3 |
| Amazon Linux · 2023 | libnfs-debugsource | 0:4.0.0-4.amzn2023.0.3 |
| Amazon Linux · 2023 | libnfs-devel | 0:4.0.0-4.amzn2023.0.3 |
| Amazon Linux · 2023 | libnfs-utils | 0:4.0.0-4.amzn2023.0.3 |
| Amazon Linux · 2023 | libnfs-utils-debuginfo | 0:4.0.0-4.amzn2023.0.3 |
Vulnerabilities 1
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High 7.1
libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connection…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-53689.html