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VulnerabilityPublished Updated

CVE-2024-28835: gnutls · Uncaught Exception

Affects gnutlsSource GCVE Database

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Not known to be exploited · CVSS 5.0 Medium.

Data as of 8 Nov 2026, 04:04 UTC

CVSS 3.1 base score
5.0Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.15.0
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Mar 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 7 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
gnutlsAffected
  • =3.8.3
Fixed in–

AI-suggested

Apply the security update provided by Red Hat as detailed in advisory RHSA-2024:1879 for Red Hat Enterprise Linux 9. The update fixes the crash issue in GnuTLS. Systems running the affected version 3.8.3 should be upgraded to the patched version as soon as possible to prevent denial of service.

Description

CVE-2024-28835 is a vulnerability in GnuTLS version 3.8.3 where an application crash can be triggered by verifying a specially crafted .pem certificate bundle using the certtool --verify-chain command. This flaw results in an uncaught exception leading to denial of service. The issue has a medium severity rating with a CVSS score of 5. A security update addressing this vulnerability is available from Red Hat for their Enterprise Linux 9 distributions.

References

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