CVE-2026-42015mediumCWE-193

CVE-2026-42015: medium-severity vulnerability in gnutls

Gnutls: gnutls: memory corruption due to off-by-one error in pkcs#12 bag handling

Published · Updated

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 0.7%
A flaw was found in gnutls. An off-by-one error exists in the PKCS#12 bag element bounds check. This vulnerability allows an remote attacker to write past the internal array of a PKCS#12 bag when appending to a bag that already contains 32 elements. This memory corruption could lead to a denial of service (DoS) or potentially other unspecified impacts.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
gnutlsRed Hat · Cert Manager support for Red Hat OpenShift release 1.17Red Hat · Cert Manager support for Red Hat OpenShift release 1.18Red Hat · Cert Manager support for Red Hat OpenShift release 1.20Red Hat · Red Hat Discovery 2Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRed Hat · Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9.6 Extended Update SupportRed Hat · Red Hat Hardened ImagesRed Hat · Red Hat OpenShift AI 3.4Red Hat · Red Hat OpenShift Container Platform 4Red Hat · Red Hat OpenShift Container Platform 5Red Hat · Red Hat Update Infrastructure 5
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