Security update for gnutls
| Announcement ID: | SUSE-SU-2026:21752-1 |
|---|---|
| Release Date: | 2026-05-18T10:08:52Z |
| Rating: | important |
| References: | |
| Cross-References: | |
| CVSS scores: |
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| Affected Products: |
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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