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CVE-2026-42015— GnuTLS 安全漏洞

一分钟漏洞结论

影响对象
CVE-2026-42015
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

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PKCS#12包元素边界检查中存在差一错误，可能导致远程攻击者写入数组越界，造成内存损坏。

CVSS 5.3 · Medium EPSS 0.92% · P59

影响版本矩阵 38

厂商产品 版本范围状态
None None affected
Red Hat Cert Manager support for Red Hat OpenShift release 1.20 1790598593< * unaffected
Red Hat Red Hat Discovery 2 1782159791< * unaffected
1782166952< * unaffected
Red Hat Red Hat Enterprise Linux 10 0:3.8.10-4.el10_2< * unaffected
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support 0:3.8.9-9.el10_0.19< * unaffected
Red Hat Red Hat Enterprise Linux 6 全部 unknown
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:3.3.29-9.el7_9.2< * unaffected
Red Hat Red Hat Enterprise Linux 8 0:3.6.16-8.el8_10.6< * unaffected
0:3.6.16-8.el8_10.6< * unaffected
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:3.6.14-10.el8_4.1< * unaffected
0:4.13-3.el8_4.1< * unaffected
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:3.6.14-10.el8_4.1< * unaffected
0:4.13-3.el8_4.1< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:3.6.16-5.el8_6.5< * unaffected
0:4.13-3.el8_6.2< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 0:3.6.16-5.el8_6.5< * unaffected
0:4.13-3.el8_6.2< * unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:3.6.16-7.el8_8.4< * unaffected
0:4.13-4.el8_8.1< * unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:3.6.16-7.el8_8.4< * unaffected
0:4.13-4.el8_8.1< * unaffected
Red Hat Red Hat Enterprise Linux 9 0:3.8.10-4.el9_8< * unaffected
0:3.8.10-4.el9_8< * unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:3.7.6-21.el9_2.7< * unaffected
Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions 0:3.8.3-4.el9_4.6< * unaffected
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 0:3.8.3-6.el9_6.4< * unaffected
Red Hat Red Hat Hardened Images 3.8.13-1.hum1< * unaffected
Red Hat Red Hat OpenShift Container Platform 4 全部 unknown
全部 affected
全部 affected
Red Hat Red Hat Update Infrastructure 5 1781525684< * unaffected
1781525671< * unaffected
1781525693< * unaffected
1781525739< * unaffected
1787241211< * unaffected
1787135742< * unaffected
1787241260< * unaffected

一、 漏洞 CVE-2026-42015 基础信息

漏洞信息
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Vulnerability Title
Gnutls: gnutls: memory corruption due to off-by-one error in pkcs#12 bag handling
来源: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in gnutls. An off-by-one error exists in the PKCS#12 bag element bounds check. This vulnerability allows an remote attacker to write past the internal array of a PKCS#12 bag when appending to a bag that already contains 32 elements. This memory corruption could lead to a denial of service (DoS) or potentially other unspecified impacts.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
来源: CVE Program / CVE List V5
Vulnerability Type
Off-by-one错误
来源: CVE Program / CVE List V5
Vulnerability Title
GnuTLS 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
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PKCS#12包元素边界检查中存在差一错误，可能导致远程攻击者写入数组越界，造成内存损坏。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
- - 0 -
Red Hat Red Hat Enterprise Linux 10 0:3.8.10-4.el10_2 ~ * cpe:/o:redhat:enterprise_linux:10.2
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support 0:3.8.9-9.el10_0.19 ~ * cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:3.3.29-9.el7_9.2 ~ * cpe:/o:redhat:rhel_els:7
Red Hat Red Hat Enterprise Linux 8 0:3.6.16-8.el8_10.6 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat Red Hat Enterprise Linux 8 0:3.6.16-8.el8_10.6 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:3.6.14-10.el8_4.1 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:4.13-3.el8_4.1 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:3.6.14-10.el8_4.1 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:4.13-3.el8_4.1 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:3.6.16-5.el8_6.5 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:4.13-3.el8_6.2 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 0:3.6.16-5.el8_6.5 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 0:4.13-3.el8_6.2 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:3.6.16-7.el8_8.4 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:4.13-4.el8_8.1 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:3.6.16-7.el8_8.4 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:4.13-4.el8_8.1 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat Red Hat Enterprise Linux 9 0:3.8.10-4.el9_8 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9 0:3.8.10-4.el9_8 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:3.7.6-21.el9_2.7 ~ * cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions 0:3.8.3-4.el9_4.6 ~ * cpe:/a:redhat:rhel_e4s:9.4::appstream
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 0:3.8.3-6.el9_6.4 ~ * cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat Cert Manager support for Red Hat OpenShift release 1.20 1790598593 ~ * cpe:/a:redhat:cert_manager:1.20::el9
Red Hat Red Hat Discovery 2 1782159791 ~ * cpe:/a:redhat:discovery:2::el9
Red Hat Red Hat Discovery 2 1782166952 ~ * cpe:/a:redhat:discovery:2::el9
Red Hat Red Hat Hardened Images 3.8.13-1.hum1 ~ * cpe:/a:redhat:hummingbird:1
Red Hat Red Hat OpenShift AI 3.4 1790703542 ~ * cpe:/a:redhat:openshift_ai:3.4::el9
Red Hat Red Hat Update Infrastructure 5 1781525684 ~ * cpe:/a:redhat:rhui:5::el9
Red Hat Red Hat Update Infrastructure 5 1781525671 ~ * cpe:/a:redhat:rhui:5::el9

二、漏洞 CVE-2026-42015 的公开POC

# POC 描述 源链接 神龙链接
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三、漏洞 CVE-2026-42015 的情报信息

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CVE-2026-42015 厂商安全公告 (16)

CVE-2026-42015 其他参考 (4)

IV. Related Vulnerabilities

Same weakness: CWE-193

V. Comments for CVE-2026-42015

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