SUSE-SU-2026:21752-1: important: Security update for gnutls
SLE-UPDATES
null at suse.de
Tue May 26 20:32:47 UTC 2026
# Security update for gnutls
Announcement ID: SUSE-SU-2026:21752-1
Release Date: 2026-05-18T10:08:52Z
Rating: important
References:
* bsc#1263704
* bsc#1263705
* bsc#1263706
* bsc#1263707
* bsc#1263708
* bsc#1263709
* bsc#1263710
* bsc#1263711
* bsc#1263712
* bsc#1263713
* bsc#1263714
* bsc#1263715
* bsc#1263716
Cross-References:
* CVE-2026-33845
* CVE-2026-33846
* CVE-2026-3832
* CVE-2026-3833
* CVE-2026-42009
* CVE-2026-42010
* CVE-2026-42011
* CVE-2026-42012
* CVE-2026-42013
* CVE-2026-42014
* CVE-2026-42015
* CVE-2026-5260
* CVE-2026-5419
CVSS scores:
* CVE-2026-33845 ( SUSE ): 8.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-33845 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
* CVE-2026-33845 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-33845 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
* CVE-2026-33846 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-33846 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-33846 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-3832 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
* CVE-2026-3833 ( SUSE ): 6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
* CVE-2026-3833 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2026-3833 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2026-3833 ( NVD ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-42009 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-42009 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-42009 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-42010 ( SUSE ): 6.9
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
* CVE-2026-42010 ( SUSE ): 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
* CVE-2026-42010 ( NVD ): 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
* CVE-2026-42010 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-42011 ( SUSE ): 6.3
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
* CVE-2026-42011 ( SUSE ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2026-42011 ( NVD ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-42013 ( SUSE ): 8.3
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-42013 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
* CVE-2026-42014 ( SUSE ): 5.1
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
* CVE-2026-42014 ( SUSE ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-42015 ( SUSE ): 6.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
* CVE-2026-42015 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
* CVE-2026-5260 ( SUSE ): 8.2
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-5260 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-5419 ( SUSE ): 6.3
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
* CVE-2026-5419 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Products:
* SUSE Linux Micro 6.2
An update that solves 13 vulnerabilities can now be installed.
## Description:
This update for gnutls fixes the following issues
* CVE-2026-3832: cert-session: fix multi-entry OCSP revocation bypass
(bsc#1263706).
* CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive
(bsc#1263707).
* CVE-2026-5260: lib/pkcs11_privkey: guard against overreading on short
ciphertexts (bsc#1263715).
* CVE-2026-5419: gnutls_cipher_decrypt3: make PKCS#7 unpadding branch free
(bsc#1263716).
* CVE-2026-33845: buffers: switch from end_offset over to frag_length
(bsc#1263704).
* CVE-2026-33846: buffers: add more checks to DTLS reassembly (bsc#1263705).
* CVE-2026-42009: lib/buffers: ensure packets have differing sequence numbers
(bsc#1263708).
* CVE-2026-42010: lib/auth/rsa_psk: fix binary PSK identity lookup
(bsc#1263709).
* CVE-2026-42011: x509/name_constraints: fix intersecting empty constraints
(bsc#1263710).
* CVE-2026-42012: x509/hostname-verify: make URI/SRV SAN preclude CN fallback
(bsc#1263711).
* CVE-2026-42013: x509: prevent fallback on oversized SAN (bsc#1263712).
* CVE-2026-42014: pkcs11_write: fix UAF and leak in
gnutls_pkcs11_token_set_pin (bsc#1263713).
* CVE-2026-42015: x509/pkcs12_bag: fix off-by-one in bag element bounds chec
(bsc#1263714).
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Micro 6.2
zypper in -t patch SUSE-SL-Micro-6.2-776=1
## Package List:
* SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
* gnutls-3.8.10-160000.3.1
* libgnutls30-3.8.10-160000.3.1
* gnutls-debuginfo-3.8.10-160000.3.1
* gnutls-debugsource-3.8.10-160000.3.1
* libgnutls30-debuginfo-3.8.10-160000.3.1
## References:
* https://www.suse.com/security/cve/CVE-2026-33845.html
* https://www.suse.com/security/cve/CVE-2026-33846.html
* https://www.suse.com/security/cve/CVE-2026-3832.html
* https://www.suse.com/security/cve/CVE-2026-3833.html
* https://www.suse.com/security/cve/CVE-2026-42009.html
* https://www.suse.com/security/cve/CVE-2026-42010.html
* https://www.suse.com/security/cve/CVE-2026-42011.html
* https://www.suse.com/security/cve/CVE-2026-42012.html
* https://www.suse.com/security/cve/CVE-2026-42013.html
* https://www.suse.com/security/cve/CVE-2026-42014.html
* https://www.suse.com/security/cve/CVE-2026-42015.html
* https://www.suse.com/security/cve/CVE-2026-5260.html
* https://www.suse.com/security/cve/CVE-2026-5419.html
* https://bugzilla.suse.com/show_bug.cgi?id=1263704
* https://bugzilla.suse.com/show_bug.cgi?id=1263705
* https://bugzilla.suse.com/show_bug.cgi?id=1263706
* https://bugzilla.suse.com/show_bug.cgi?id=1263707
* https://bugzilla.suse.com/show_bug.cgi?id=1263708
* https://bugzilla.suse.com/show_bug.cgi?id=1263709
* https://bugzilla.suse.com/show_bug.cgi?id=1263710
* https://bugzilla.suse.com/show_bug.cgi?id=1263711
* https://bugzilla.suse.com/show_bug.cgi?id=1263712
* https://bugzilla.suse.com/show_bug.cgi?id=1263713
* https://bugzilla.suse.com/show_bug.cgi?id=1263714
* https://bugzilla.suse.com/show_bug.cgi?id=1263715
* https://bugzilla.suse.com/show_bug.cgi?id=1263716
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-updates/attachments/20260526/5c3b65b7/attachment.htm>
More information about the sle-updates
mailing list