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CVE Vulnerabilities

CVE-2026-42014

Expired Pointer Dereference

Published: Jun 16, 2026 | Modified: Jun 30, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
6.6 MODERATE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-42014
CWEhttps://cwe.mitre.org/data/definitions/825.html

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.

Weakness

The product dereferences a pointer that contains a location for memory that was previously valid, but is no longer valid.

Affected Software

NameVendorStart VersionEnd Version
Red Hat Enterprise Linux 10RedHatgnutls-0:3.8.10-4.el10_2*
Red Hat Enterprise Linux 10.0 Extended Update SupportRedHatgnutls-0:3.8.9-9.el10_0.19*
Red Hat Enterprise Linux 8RedHatgnutls-0:3.6.16-8.el8_10.6*
Red Hat Enterprise Linux 8RedHatgnutls-0:3.6.16-8.el8_10.6*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatgnutls-0:3.6.14-10.el8_4.1*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatlibtasn1-0:4.13-3.el8_4.1*
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRedHatgnutls-0:3.6.14-10.el8_4.1*
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRedHatlibtasn1-0:4.13-3.el8_4.1*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatgnutls-0:3.6.16-5.el8_6.5*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatlibtasn1-0:4.13-3.el8_6.2*
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRedHatgnutls-0:3.6.16-5.el8_6.5*
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRedHatlibtasn1-0:4.13-3.el8_6.2*
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRedHatgnutls-0:3.6.16-7.el8_8.4*
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRedHatlibtasn1-0:4.13-4.el8_8.1*
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRedHatgnutls-0:3.6.16-7.el8_8.4*
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRedHatlibtasn1-0:4.13-4.el8_8.1*
Red Hat Enterprise Linux 9RedHatgnutls-0:3.8.10-4.el9_8*
Red Hat Enterprise Linux 9RedHatgnutls-0:3.8.10-4.el9_8*
Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRedHatgnutls-0:3.8.3-4.el9_4.6*
Red Hat Enterprise Linux 9.6 Extended Update SupportRedHatgnutls-0:3.8.3-6.el9_6.4*
Red Hat Discovery 2RedHatdiscovery/discovery-server-rhel9:1782159791*
Red Hat Discovery 2RedHatdiscovery/discovery-ui-rhel9:1782166952*
Red Hat Update Infrastructure 5RedHatrhui5/cds-rhel9:1781525684*
Red Hat Update Infrastructure 5RedHatrhui5/haproxy-rhel9:1781525671*
Red Hat Update Infrastructure 5RedHatrhui5/installer-rhel9:1781525693*
Red Hat Update Infrastructure 5RedHatrhui5/rhua-rhel9:1781525739*
Gnutls28Ubuntuesm-infra/xenial*
Gnutls28Ubuntufips-preview/jammy*
Gnutls28Ubuntufips-updates/jammy*
Gnutls28Ubuntufips-updates/noble*
Gnutls28Ubuntujammy*
Gnutls28Ubuntunoble*
Gnutls28Ubuntuquesting*
Gnutls28Ubunturesolute*
Gnutls28Ubuntuupstream*

Potential Mitigations

References

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