Information Exposure The advisory has been revoked - it doesn't affect any version of package gnutls-devel (opens in a new tab)
Threat Intelligence
This vulnerability is trending on Twitter; this may indicate a growing threat.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL9-GNUTLSDEVEL-12419332
- published1 Sept 2025
- disclosed15 Nov 2023
Introduced: 15 Nov 2023
CVE-2023-5981 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gnutls-devel package and not the gnutls-devel package as distributed by RHEL.
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
References
- https://access.redhat.com/security/cve/CVE-2023-5981
- http://www.openwall.com/lists/oss-security/2024/01/19/3
- https://lists.debian.org/debian-lts-announce/2023/11/msg00016.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/
- https://access.redhat.com/errata/RHSA-2024:0533
- https://bugzilla.redhat.com/show_bug.cgi?id=2248445
- https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23