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CVE search · CVE-2026-33845

CVE-2026-33845

critical 9.1

A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and resulting in an out-of-bounds read. This issue is remotely exploitable and may cause information disclosure or denial of service.

Open in the NVD CVE.org JSON

Details

Status
Modified
Published
Last changed
Source
secalert@redhat.com
Weakness
CWE-191

Severity

VersionScoreVectorSource
CVSS 3.1 high 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H secalert@redhat.comSecondary
CVSS 3.1 critical 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H nvd@nist.govPrimary
CVSS 3.1 high 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 0b0ca135-0b70-47e7-9f44-1890c2a1c46cSecondary

Affected products

Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.

  • gnu · gnutls
  • redhat · openshift_container_platform
  • redhat · enterprise_linux

References