Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2025-32990: A heap-buffer-overflow (off-by-one) flaw was found in the GnuTLS software in the template parsing logic within the certtool utility. When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds (OOB) NULL pointer write, resulting in memory corruption and a denial-of-service (DoS) that could potentially crash the system.
Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | gnutls | 0:3.3.29-9.amzn2.0.3 |
| Amazon Linux · 2 | gnutls-c++ | 0:3.3.29-9.amzn2.0.3 |
| Amazon Linux · 2 | gnutls-dane | 0:3.3.29-9.amzn2.0.3 |
| Amazon Linux · 2 | gnutls-debuginfo | 0:3.3.29-9.amzn2.0.3 |
| Amazon Linux · 2 | gnutls-devel | 0:3.3.29-9.amzn2.0.3 |
| Amazon Linux · 2 | gnutls-utils | 0:3.3.29-9.amzn2.0.3 |
Vulnerabilities 1
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Medium 6.5
Gnutls: vulnerability in gnutls certtool template parsing
A heap-buffer-overflow (off-by-one) flaw was found in the GnuTLS software in the template parsing logic within the certtool utility. When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds (OOB) NULL pointer write,…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2025-32990.html