Fluid Attacks Database

Description

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.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Component	Affected version	Patched versions
rpm rhel10	gnutls	<0:3.8.10-4.el10_2	0:3.8.10-4.el10_2
rpm rhel6	gnutls	-	-
rpm rhel7	gnutls	-	-
rpm rhel8	gnutls	<0:3.6.16-8.el8_10.6	0:3.6.16-8.el8_10.6
rpm rhel9	gnutls	<0:3.8.10-4.el9_8	0:3.8.10-4.el9_8
debian 11	gnutls28	=3.7.1-5 \|\| =3.7.1-5+deb11u1 \|\| =3.7.1-5+deb11u2 \|\| =3.7.1-5+deb11u3 \|\| =3.7.1-5+deb11u4 \|\| =3.7.1-5+deb11u5 \|\| =3.7.1-5+deb11u6 \|\| =3.7.1-5+deb11u7 \|\| =3.7.1-5+deb11u8 \|\| =3.7.1-5+deb11u9 \|\| >=0 <3.7.1-5+deb11u10	3.7.1-5+deb11u10
debian 12	gnutls28	=3.7.9-2 \|\| =3.7.9-2+deb12u1 \|\| =3.7.9-2+deb12u2 \|\| =3.7.9-2+deb12u3 \|\| =3.7.9-2+deb12u4 \|\| =3.7.9-2+deb12u5 \|\| =3.7.9-2+deb12u6 \|\| >=0 <3.7.9-2+deb12u7	3.7.9-2+deb12u7
debian 14	gnutls28	=3.8.10-1 \|\| =3.8.10-2 \|\| =3.8.10-3 \|\| =3.8.11-1 \|\| =3.8.11-2 \|\| =3.8.11-3 \|\| =3.8.12-1 \|\| =3.8.12-2 \|\| =3.8.12-3 \|\| =3.8.12-4 \|\| =3.8.9-3 \|\| >=0 <3.8.13-1	3.8.13-1
alpine v3.20	gnutls	>=0 <3.8.13-r0	3.8.13-r0
alpine v3.21	gnutls	>=0 <3.8.13-r0	3.8.13-r0

1-10 of 20

Aliases

1. CVE-2026-420142. NVD-2026-420143. OSV-2026-420144. OSV-DEBIAN-2026-420145. OSV-ALPINE-2026-420146. SECURITY-TRACKER-CVE-2026-420147. SECURITY-CVE-2026-42014

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