rpm package
almalinux/gnutls
pkg:rpm/almalinux/gnutls
Vulnerabilities (23)
| CVE | Sev | CVSS | KEV | Affected versions | Fixed in | Published | Description |
|---|---|---|---|---|---|---|---|
| CVE-2026-42009 | Hig | 7.5 | < 3.6.16-8.el8_10.6 | 3.6.16-8.el8_10.6 | May 18, 2026 | A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security (DTLS) packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequen | |
| CVE-2026-42011 | Hig | 7.4 | < 3.6.16-8.el8_10.6 | 3.6.16-8.el8_10.6 | May 7, 2026 | A flaw was found in gnutls. This vulnerability occurs because permitted name constraints were incorrectly ignored when previous Certificate Authorities (CAs) only had excluded name constraints. A remote attacker could exploit this to bypass critical name constraint checks during | |
| CVE-2026-42010 | Hig | 7.1 | < 3.6.16-8.el8_10.6 | 3.6.16-8.el8_10.6 | May 7, 2026 | A flaw was found in gnutls. Servers configured with RSA-PSK (Rivest–Shamir–Adleman – Pre-Shared Key) wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authe | |
| CVE-2026-33846 | Hig | 7.5 | < 3.6.16-8.el8_10.6 | 3.6.16-8.el8_10.6 | May 4, 2026 | A heap buffer overflow vulnerability exists in the DTLS handshake fragment reassembly logic of GnuTLS. The issue arises in merge_handshake_packet() where incoming handshake fragments are matched and merged based solely on handshake type, without validating that the message_length | |
| CVE-2026-3833 | Med | 6.5 | < 3.6.16-8.el8_10.6 | 3.6.16-8.el8_10.6 | Apr 30, 2026 | A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of `nameConstraints` labels, specifically for `dNSName` (DNS) or `rfc822Name` (email) constraints within `excludedSubtrees` or `permittedSubtrees`. A remote attacker can explo | |
| CVE-2026-33845 | Hig | 7.5 | < 3.6.16-8.el8_10.6 | 3.6.16-8.el8_10.6 | Apr 30, 2026 | A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and resulting in an out-of-bounds read. This issue is remotely exploitable and may cause information disclosure or denial of | |
| CVE-2025-14831 | Med | 5.3 | < 3.8.10-3.el10_1 | 3.8.10-3.el10_1 | Feb 9, 2026 | A flaw was found in GnuTLS. This vulnerability allows a denial of service (DoS) by excessive CPU (Central Processing Unit) and memory consumption via specially crafted malicious certificates containing a large number of name constraints and subject alternative names (SANs). | |
| CVE-2025-9820 | Med | 4.0 | < 3.8.10-3.el10_1 | 3.8.10-3.el10_1 | Jan 26, 2026 | A flaw was found in the GnuTLS library, specifically in the gnutls_pkcs11_token_init() function that handles PKCS#11 token initialization. When a token label longer than expected is processed, the function writes past the end of a fixed-size stack buffer. This programming error c | |
| CVE-2025-6395 | Med | 6.5 | < 3.8.9-9.el10_0.14 | 3.8.9-9.el10_0.14 | Jul 10, 2025 | A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite(). | |
| CVE-2025-32990 | Med | 6.5 | < 3.8.9-9.el10_0.14 | 3.8.9-9.el10_0.14 | Jul 10, 2025 | A heap-buffer-overflow (off-by-one) flaw was found in the GnuTLS software in the template parsing logic within the certtool utility. When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds (OOB) NULL pointer write, resulting in memory | |
| CVE-2025-32989 | Med | 5.3 | < 3.8.9-9.el10_0.14 | 3.8.9-9.el10_0.14 | Jul 10, 2025 | A heap-buffer-overread vulnerability was found in GnuTLS in how it handles the Certificate Transparency (CT) Signed Certificate Timestamp (SCT) extension during X.509 certificate parsing. This flaw allows a malicious user to create a certificate containing a malformed SCT extensi | |
| CVE-2025-32988 | Med | 6.5 | < 3.8.9-9.el10_0.14 | 3.8.9-9.el10_0.14 | Jul 10, 2025 | A flaw was found in GnuTLS. A double-free vulnerability exists in GnuTLS due to incorrect ownership handling in the export logic of Subject Alternative Name (SAN) entries containing an otherName. If the type-id OID is invalid or malformed, GnuTLS will call asn1_delete_structure() | |
| CVE-2024-12243 | Med | 5.3 | < 3.6.16-8.el8_10.3 | 3.6.16-8.el8_10.3 | Feb 10, 2025 | A flaw was found in GnuTLS, which relies on libtasn1 for ASN.1 data processing. Due to an inefficient algorithm in libtasn1, decoding certain DER-encoded certificate data can take excessive time, leading to increased resource consumption. This flaw allows a remote attacker to sen | |
| CVE-2024-28834 | Med | 5.3 | < 3.6.16-8.el8_9.3 | 3.6.16-8.el8_9.3 | Mar 21, 2024 | A flaw was found in GnuTLS. The Minerva attack is a cryptographic vulnerability that exploits deterministic behavior in systems like GnuTLS, leading to side-channel leaks. In specific scenarios, such as when using the GNUTLS_PRIVKEY_FLAG_REPRODUCIBLE flag, it can result in a noti | |
| CVE-2024-28835 | Med | 5.0 | < 3.7.6-23.el9_3.4 | 3.7.6-23.el9_3.4 | Mar 21, 2024 | A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command. | |
| CVE-2024-0567 | — | < 3.7.6-23.el9_3.3 | 3.7.6-23.el9_3.3 | Jan 16, 2024 | A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed trust. This issue occurs when validating a certificate chain with cockpit-certificate-ensure. This flaw allows an unauthenticated, remote client or attacker to in | ||
| CVE-2024-0553 | — | < 3.7.6-23.el9_3.3 | 3.7.6-23.el9_3.3 | Jan 16, 2024 | A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA- | ||
| CVE-2023-5981 | — | < 3.6.16-8.el8_9 | 3.6.16-8.el8_9 | Nov 28, 2023 | A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding. | ||
| CVE-2023-0361 | — | < 3.7.6-18.el9_1 | 3.7.6-18.el9_1 | Feb 15, 2023 | A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover the key encrypted in the RSA ciphertext across a network in a Bleichenbacher style attack. To achieve a successful decryption the attac | ||
| CVE-2022-2509 | — | < 3.7.6-12.el9_0 | 3.7.6-12.el9_0 | Aug 1, 2022 | A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function. |
- affected < 3.6.16-8.el8_10.6fixed 3.6.16-8.el8_10.6
A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security (DTLS) packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequen
- affected < 3.6.16-8.el8_10.6fixed 3.6.16-8.el8_10.6
A flaw was found in gnutls. This vulnerability occurs because permitted name constraints were incorrectly ignored when previous Certificate Authorities (CAs) only had excluded name constraints. A remote attacker could exploit this to bypass critical name constraint checks during
- affected < 3.6.16-8.el8_10.6fixed 3.6.16-8.el8_10.6
A flaw was found in gnutls. Servers configured with RSA-PSK (Rivest–Shamir–Adleman – Pre-Shared Key) wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authe
- affected < 3.6.16-8.el8_10.6fixed 3.6.16-8.el8_10.6
A heap buffer overflow vulnerability exists in the DTLS handshake fragment reassembly logic of GnuTLS. The issue arises in merge_handshake_packet() where incoming handshake fragments are matched and merged based solely on handshake type, without validating that the message_length
- affected < 3.6.16-8.el8_10.6fixed 3.6.16-8.el8_10.6
A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of `nameConstraints` labels, specifically for `dNSName` (DNS) or `rfc822Name` (email) constraints within `excludedSubtrees` or `permittedSubtrees`. A remote attacker can explo
- affected < 3.6.16-8.el8_10.6fixed 3.6.16-8.el8_10.6
A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and resulting in an out-of-bounds read. This issue is remotely exploitable and may cause information disclosure or denial of
- affected < 3.8.10-3.el10_1fixed 3.8.10-3.el10_1
A flaw was found in GnuTLS. This vulnerability allows a denial of service (DoS) by excessive CPU (Central Processing Unit) and memory consumption via specially crafted malicious certificates containing a large number of name constraints and subject alternative names (SANs).
- affected < 3.8.10-3.el10_1fixed 3.8.10-3.el10_1
A flaw was found in the GnuTLS library, specifically in the gnutls_pkcs11_token_init() function that handles PKCS#11 token initialization. When a token label longer than expected is processed, the function writes past the end of a fixed-size stack buffer. This programming error c
- affected < 3.8.9-9.el10_0.14fixed 3.8.9-9.el10_0.14
A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().
- affected < 3.8.9-9.el10_0.14fixed 3.8.9-9.el10_0.14
A heap-buffer-overflow (off-by-one) flaw was found in the GnuTLS software in the template parsing logic within the certtool utility. When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds (OOB) NULL pointer write, resulting in memory
- affected < 3.8.9-9.el10_0.14fixed 3.8.9-9.el10_0.14
A heap-buffer-overread vulnerability was found in GnuTLS in how it handles the Certificate Transparency (CT) Signed Certificate Timestamp (SCT) extension during X.509 certificate parsing. This flaw allows a malicious user to create a certificate containing a malformed SCT extensi
- affected < 3.8.9-9.el10_0.14fixed 3.8.9-9.el10_0.14
A flaw was found in GnuTLS. A double-free vulnerability exists in GnuTLS due to incorrect ownership handling in the export logic of Subject Alternative Name (SAN) entries containing an otherName. If the type-id OID is invalid or malformed, GnuTLS will call asn1_delete_structure()
- affected < 3.6.16-8.el8_10.3fixed 3.6.16-8.el8_10.3
A flaw was found in GnuTLS, which relies on libtasn1 for ASN.1 data processing. Due to an inefficient algorithm in libtasn1, decoding certain DER-encoded certificate data can take excessive time, leading to increased resource consumption. This flaw allows a remote attacker to sen
- affected < 3.6.16-8.el8_9.3fixed 3.6.16-8.el8_9.3
A flaw was found in GnuTLS. The Minerva attack is a cryptographic vulnerability that exploits deterministic behavior in systems like GnuTLS, leading to side-channel leaks. In specific scenarios, such as when using the GNUTLS_PRIVKEY_FLAG_REPRODUCIBLE flag, it can result in a noti
- affected < 3.7.6-23.el9_3.4fixed 3.7.6-23.el9_3.4
A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command.
- CVE-2024-0567Jan 16, 2024affected < 3.7.6-23.el9_3.3fixed 3.7.6-23.el9_3.3
A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed trust. This issue occurs when validating a certificate chain with cockpit-certificate-ensure. This flaw allows an unauthenticated, remote client or attacker to in
- CVE-2024-0553Jan 16, 2024affected < 3.7.6-23.el9_3.3fixed 3.7.6-23.el9_3.3
A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-
- CVE-2023-5981Nov 28, 2023affected < 3.6.16-8.el8_9fixed 3.6.16-8.el8_9
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
- CVE-2023-0361Feb 15, 2023affected < 3.7.6-18.el9_1fixed 3.7.6-18.el9_1
A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover the key encrypted in the RSA ciphertext across a network in a Bleichenbacher style attack. To achieve a successful decryption the attac
- CVE-2022-2509Aug 1, 2022affected < 3.7.6-12.el9_0fixed 3.7.6-12.el9_0
A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.
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