Linux · Security advisory · June 5, 2026

RLSA-2026:20613: gnutls security update

RLSA-2026:20613, released June 5, 2026, fixes 13 CVEs in gnutls (version 0:3.8.10-4.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
13
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0207
81st percentile

Priority of the 13 CVEs

Patch now 0 Urgent 1 High 12 Routine 0

Fixed package versions

ProductReleaseFixed in
gnutlsrocky 100:3.8.10-4.el10_2

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Urgent CVE-2026-33845 gnutls28: A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to a... 9.1 0.0207 None reported
High CVE-2026-42009 Gnutls: gnutls: denial of service via dtls packet reordering vulnerability 8.2 0.0134 None reported
High CVE-2026-33846 gnutls28: A heap buffer overflow vulnerability exists in the DTLS handshake fragment reassembly logic of GnuTLS 8.2 0.0126 None reported
High CVE-2026-42010 Gnutls: gnutls: authentication bypass via nul character in username 9.8 0.0105 None reported
High CVE-2026-3832 gnutls28: A flaw was found in gnutls 8.2 0.0080 None reported
High CVE-2026-5260 gnutls28: A flaw was found in libgnutls 8.2 0.0077 None reported
High CVE-2026-42015 Gnutls: gnutls: memory corruption due to off-by-one error in pkcs#12 bag handling 8.2 0.0073 None reported
High CVE-2026-3833 gnutls28: A flaw was found in gnutls 8.2 0.0057 None reported
High CVE-2026-5419 Guntls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal 8.2 0.0054 None reported
High CVE-2026-42011 Gnutls: gnutls: security bypass due to incorrect name constraint handling 8.2 0.0048 None reported
High CVE-2026-42013 Gnutls: gnutls: certificate validation bypass due to oversized subject alternative name 8.2 0.0042 None reported
High CVE-2026-42012 gnutls28: A flaw was found in gnutls 8.2 0.0037 None reported
High CVE-2026-42014 Gnutls: fix use-after-free in gnutls_pkcs11_token_set_pin 8.2 0.0015 None reported
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