CVE-2026-1584— Gnutls: gnutls: remote denial of service via crafted clienthello with invalid psk binder
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-1584
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Gnutls: gnutls: remote denial of service via crafted clienthello with invalid psk binder
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in gnutls. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted ClientHello message with an invalid Pre-Shared Key (PSK) binder value during the TLS handshake. This can lead to a NULL pointer dereference, causing the server to crash and resulting in a remote Denial of Service (DoS) condition.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
GnuTLS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GnuTLS是GnuTLS开源的一款免费的用于实现SSL、TLS和DTLS协议的安全通信库。 gnutls存在安全漏洞，该漏洞源于远程未经验证的攻击者可能在TLS握手期间发送特制的ClientHello消息，导致空指针取消引用，可能引发服务器崩溃和远程拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Hardened Images | 3.8.12-1.1.hum1 ~ * | cpe:/a:redhat:hummingbird:1 | |
| Red Hat | Red Hat Enterprise Linux 10 | - | cpe:/o:redhat:enterprise_linux:10 | |
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat OpenShift Container Platform 4 | - | cpe:/a:redhat:openshift:4 |
II. Public POCs for CVE-2026-1584
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-1584
请登录查看更多情报信息。
- 2435258 – (CVE-2026-1584) CVE-2026-1584 gnutls: gnutls: Remote Denial of Service via crafted ClientHello with invalid PSK binderissue-trackingx_refsource_REDHAT
- https://nvd.nist.gov/vuln/detail/CVE-2026-1584
IV. Related Vulnerabilities
Same product: Red Hat Hardened Images
- CVE-2026-33846
Gnutls: gnutls: denial of service via heap buffer overflow i - CVE-2026-6732
Libxml2: libxml2: denial of service via crafted xsd-validate - CVE-2025-14821
Libssh: libssh: insecure default configuration leads to loca - CVE-2026-5745
Libarchive: a null pointer dereference vulnerability exists - CVE-2026-3184
Util-linux: util-linux: access control bypass due to imprope
Same vendor: Red Hat
- CVE-2026-42011
Gnutls: gnutls: security bypass due to incorrect name constr - CVE-2026-42010
Gnutls: gnutls: authentication bypass via nul character in u - CVE-2026-6420
Keylime: keylime: security bypass due to hardcoded tpm quote - CVE-2026-34956
Openvswitch: open vswitch: denial of service via malformed f - CVE-2026-34002
Xorg: xwayland: x.org x server: information disclosure or de
Same weakness: CWE-476
- CVE-2026-8252
Open5GS SMF smf_nsmf_handle_create_data_in_hsmf null pointer - CVE-2026-7259
Null pointer dereference in php_mb_check_encoding() via mb_e - CVE-2026-7262
NULL pointer dereference in SOAP apache:Map decoder with mis - CVE-2026-42183
Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference - CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error
V. Comments for CVE-2026-1584
No comments yet