CVE-2025-6395— Gnutls: null pointer dereference in _gnutls_figure_common_ciphersuite()
I. Basic Information for CVE-2025-6395
Vulnerability Information
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Vulnerability Title
Gnutls: null pointer dereference in _gnutls_figure_common_ciphersuite()
Source: NVD (National Vulnerability Database)
Vulnerability Description
A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
GnuTLS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GnuTLS是一款免费的用于实现SSL、TLS和DTLS协议的安全通信库。 GnuTLS存在代码问题漏洞，该漏洞源于_gnutls_figure_common_ciphersuite函数中存在空指针取消引用，可能导致内存损坏和拒绝服务。
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 |
|---|---|---|---|---|
| - | - | 0 ~ 3.8.10 | - | |
| Red Hat | Red Hat Enterprise Linux 10 | 0:3.8.9-9.el10_0.14 ~ * | cpe:/o:redhat:enterprise_linux:10.0 | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:3.6.16-8.el8_10.4 ~ * | cpe:/a:redhat:enterprise_linux:8::appstream | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:3.6.16-8.el8_10.4 ~ * | cpe:/a:redhat:enterprise_linux:8::appstream | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:3.8.3-6.el9_6.2 ~ * | cpe:/o:redhat:enterprise_linux:9::baseos | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:3.8.3-6.el9_6.2 ~ * | cpe:/o:redhat:enterprise_linux:9::baseos | |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | 0:3.7.6-21.el9_2.4 ~ * | cpe:/o:redhat:rhel_e4s:9.2::baseos | |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | 0:3.8.3-4.el9_4.4 ~ * | cpe:/a:redhat:rhel_eus:9.4::appstream | |
| Red Hat | Red Hat Ceph Storage 7 | sha256:4d2f9dc5b2b33ee1c77bbfabcbbb9f4d94d343b04c4de2e4f8b3b81a1f0fd2fe ~ * | cpe:/a:redhat:ceph_storage:7::el9 | |
| Red Hat | Red Hat Discovery 2 | sha256:435ba9959b793d46a63a74c343bb8c3ff68350496afec12cc5e894dfc40b7648 ~ * | cpe:/a:redhat:discovery:2::el9 | |
| Red Hat | Red Hat Insights proxy 1.5 | sha256:4ca38b33efec0d2dd17a8fd822a7c18281810676ceabb0c1db90953cb91cd5ea ~ * | cpe:/a:redhat:insights_proxy:1.5::el9 | |
| 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 OpenShift Container Platform 4 | - | cpe:/a:redhat:openshift:4 |
II. Public POCs for CVE-2025-6395
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference - CVE-2026-6666
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V. Comments for CVE-2025-6395
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