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CVE-2024-28834VulnerabilityPublished Updated

Red Hat Security Advisory: gnutls security update

Affects Red HatSource GCVE Database

0

Not known to be exploited : upgrade to 8.8.3 when convenient.

Data as of 26 Oct 2026, 07:57 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS
0.7% chance of exploitation in 30 days – higher than 53% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 8.8.3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Apr 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Upgrade redhat/gnutls to 8.8.3.

Affected software

ProductAffectedFixed in
Red Hatredhat/gnutlspkg:rpm/redhat/gnutlsOther threatsAffected
  • =8.8
  • <8.8.3
Fixed in
  • 8.8.3

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A security update fixing this vulnerability is available from Red Hat for Red Hat Enterprise Linux 8 and Extended Life Cycle versions. Users should apply the update as per Red Hat's advisory RHSA-2024:1784 after ensuring all previous errata are applied. No additional mitigation steps are indicated by the vendor.

Description

A timing side-channel vulnerability (CVE-2024-28834) affecting the gnutls package in Red Hat Enterprise Linux 8 has been identified and fixed. This flaw, known as the Minerva side-channel information leak, impacts the deterministic ECDSA implementation in the GnuTLS library, which provides cryptographic protocols such as SSL, TLS, and DTLS. The vulnerability has been rated as moderate severity by Red Hat Product Security. A security update is available and should be applied to affected systems to mitigate the issue.

References

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