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Some fixes available 3 of 5
GnuTLS before 3.1.0 does not verify that the RSA PKCS #1 signature algorithm matches the signature algorithm in the certificate, which allows remote attackers to conduct downgrade attacks via unspecified vectors.
2 affected packages
gnutls26, gnutls28
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnutls26 | — | — | — | — |
| gnutls28 | — | — | — | — |
Some fixes available 10 of 11
The _gnutls_ecc_ansi_x963_export function in gnutls_ecc.c in GnuTLS 3.x before 3.1.28, 3.2.x before 3.2.20, and 3.3.x before 3.3.10 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted (1)...
2 affected packages
gnutls26, gnutls28
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnutls26 | — | — | — | Not in release |
| gnutls28 | — | — | — | Fixed |
GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates, which allows man-in-the-middle attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2)...
2 affected packages
gnutls26, gnutls28
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnutls26 | — | — | — | — |
| gnutls28 | — | — | — | — |
Some fixes available 7 of 8
Buffer overflow in the read_server_hello function in lib/gnutls_handshake.c in GnuTLS before 3.1.25, 3.2.x before 3.2.15, and 3.3.x before 3.3.4 allows remote servers to cause a denial of service (memory corruption) or...
2 affected packages
gnutls28, gnutls26
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnutls28 | — | — | — | — |
| gnutls26 | — | — | — | — |
The gnutls_x509_dn_oid_name function in lib/x509/common.c in GnuTLS 3.0 before 3.1.20 and 3.2.x before 3.2.10 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted X.509 certificate, related...
2 affected packages
gnutls26, gnutls28
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnutls26 | — | — | — | Not in release |
| gnutls28 | — | — | — | Not affected |
Some fixes available 5 of 8
lib/x509/verify.c in GnuTLS before 3.1.21 and 3.2.x before 3.2.11 treats version 1 X.509 certificates as intermediate CAs, which allows remote attackers to bypass intended restrictions by leveraging a X.509 V1 certificate from a...
2 affected packages
gnutls26, gnutls28
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnutls26 | — | — | — | — |
| gnutls28 | — | — | — | — |
Some fixes available 6 of 9
lib/x509/verify.c in GnuTLS before 3.1.22 and 3.2.x before 3.2.12 does not properly handle unspecified errors when verifying X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers via a...
2 affected packages
gnutls26, gnutls28
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnutls26 | — | — | — | — |
| gnutls28 | — | — | — | — |
Off-by-one error in the dane_raw_tlsa in the DANE library (libdane) in GnuTLS 3.1.x before 3.1.16 and 3.2.x before 3.2.6 allows remote servers to cause a denial of service (memory corruption) via a response with more than four...
1 affected package
gnutls28
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnutls28 | — | — | — | — |
Buffer overflow in the dane_query_tlsa function in the DANE library (libdane) in GnuTLS 3.1.x before 3.1.15 and 3.2.x before 3.2.5 allows remote servers to cause a denial of service (memory corruption) via a response with more...
2 affected packages
gnutls26, gnutls28
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnutls26 | — | — | — | — |
| gnutls28 | — | — | — | — |
Some fixes available 6 of 7
The _gnutls_ciphertext2compressed function in lib/gnutls_cipher.c in GnuTLS 2.12.23 allows remote attackers to cause a denial of service (buffer over-read and crash) via a crafted padding length. NOTE: this might be due to an...
2 affected packages
gnutls26, gnutls28
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnutls26 | — | — | — | — |
| gnutls28 | — | — | — | — |