CVE-2026-42014: medium-severity vulnerability in gnutls
Gnutls: gnutls: use-after-free in gnutls_pkcs11_token_set_pin
Published · Updated
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.6epss 0.2%
exploitation probability
0.2%top 91% of all CVEs
observed exploitation
nono source reports it
A flaw was found in GnuTLS. The `gnutls_pkcs11_token_set_pin` function, used for changing the Security Officer PIN, can lead to a use-after-free vulnerability. This occurs when an attacker attempts to change the PIN with a NULL old PIN for a token that lacks a protected authentication path.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Affected products
gnutlsRed 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 Update Infrastructure 5Related CVEs — gnutls
In the same product, most dangerous first.
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References
https://access.redhat.com/errata/RHSA-2026:13274https://access.redhat.com/errata/RHSA-2026:20611https://access.redhat.com/errata/RHSA-2026:20612https://access.redhat.com/errata/RHSA-2026:20613https://access.redhat.com/errata/RHSA-2026:26319https://access.redhat.com/errata/RHSA-2026:26409https://access.redhat.com/errata/RHSA-2026:29197https://access.redhat.com/errata/RHSA-2026:30004https://access.redhat.com/errata/RHSA-2026:30849https://access.redhat.com/errata/RHSA-2026:30850https://access.redhat.com/errata/RHSA-2026:32962https://access.redhat.com/errata/RHSA-2026:33125