GN
Product
Gnutls
by Gnu · last CVE May 18, 2026
74
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 8High 20Medium 9Low 1
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Add Gnutls to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-42010
9.8
1%
May 7
Gnutls: gnutls: authentication bypass via nul character in username
Affected: All versions, or not specified
CVE-2021-20232
9.8
3%
Mar 12
A flaw was found in gnutls
Affected: 3.6.3 before 3.7.1
CVE-2021-20231
9.8
4%
Mar 12
A flaw was found in gnutls
Affected: 3.6.3 before 3.7.1
CVE-2017-5337
9.8
6%
Mar 24
Multiple heap-based buffer overflows in the read_attribute function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to have unspecified impact via a crafted…
Affected: through 3.3.25; 3.5.0; 3.5.1; 3.5.2; 3.5.3; 3.5.4; +3 more
CVE-2017-5336
9.8
7%
Mar 24
Stack-based buffer overflow in the cdk_pk_get_keyid function in lib/opencdk/pubkey.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified…
Affected: through 3.3.25; 3.5.0; 3.5.1; 3.5.2; 3.5.3; 3.5.4; +3 more
CVE-2017-5334
9.8
33%
Mar 24
Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via…
Affected: through 3.3.25; 3.5.0; 3.5.1; 3.5.2; 3.5.3; 3.5.4; +3 more
CVE-2009-3555
9.8
87%
Nov 9
The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft Internet Information Services (IIS) 7.0, mod_ssl in the Apache HTTP Server 2.2.14 and…
Affected: through 2.8.5
CVE-2026-33845
9.1
2%
Apr 30
Gnutls: gnutls: denial of service via dtls zero-length fragment
Affected: All versions, or not specified
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