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CVE-2026-33845— Red Hat Enterprise Linux 数字错误漏洞

CVSS 7.5 · High EPSS 0.80% · P53

影响版本矩阵 36

厂商产品版本范围状态
NoneNone< 3.8.13affected
Red HatRed Hat AI Inference Server 3.21782951051< *unaffected
1782951012< *unaffected
1782951244< *unaffected
Red HatRed Hat Discovery 21782159791< *unaffected
1782166952< *unaffected
Red HatRed Hat Enterprise Linux 100:3.8.10-4.el10_2< *unaffected
Red HatRed Hat Enterprise Linux 10.0 Extended Update Support0:3.8.9-9.el10_0.19< *unaffected
Red HatRed Hat Enterprise Linux 6全部unaffected
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support0:3.3.29-9.el7_9.1< *unaffected
Red HatRed Hat Enterprise Linux 80:3.6.16-8.el8_10.6< *unaffected
0:3.6.16-8.el8_10.6< *unaffected
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support0:3.6.14-10.el8_4.1< *unaffected
0:4.13-3.el8_4.1< *unaffected
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On0:3.6.14-10.el8_4.1< *unaffected
0:4.13-3.el8_4.1< *unaffected
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support0:3.6.16-5.el8_6.5< *unaffected
0:4.13-3.el8_6.2< *unaffected
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On0:3.6.16-5.el8_6.5< *unaffected
0:4.13-3.el8_6.2< *unaffected
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service0:3.6.16-7.el8_8.4< *unaffected
0:4.13-4.el8_8.1< *unaffected
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions0:3.6.16-7.el8_8.4< *unaffected
0:4.13-4.el8_8.1< *unaffected
Red HatRed Hat Enterprise Linux 90:3.8.10-4.el9_8< *unaffected
0:3.8.10-4.el9_8< *unaffected
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions0:3.7.6-21.el9_2.7< *unaffected
Red HatRed Hat Enterprise Linux 9.4 Update Services for SAP Solutions0:3.8.3-4.el9_4.6< *unaffected
Red HatRed Hat Enterprise Linux 9.6 Extended Update Support0:3.8.3-6.el9_6.4< *unaffected
Red HatRed Hat Hardened Images3.8.13-1.hum1< *unaffected
Red HatRed Hat OpenShift Container Platform 4全部unknown
全部affected
Red HatRed Hat Update Infrastructure 51781525684< *unaffected
1781525671< *unaffected
1781525693< *unaffected
1781525739< *unaffected

一、 漏洞 CVE-2026-33845 基础信息

漏洞信息
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Vulnerability Title
Gnutls: gnutls: denial of service via dtls zero-length fragment
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
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 service.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
整数下溢(超界折返)
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Red Hat Enterprise Linux 数字错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Red Hat Enterprise Linux是美国红帽（Red Hat）公司的面向企业用户的Linux操作系统。 Red Hat Enterprise Linux 10存在数字错误漏洞，该漏洞源于DTLS握手解析中允许零长度和非零偏移的畸形片段，导致重组时整数下溢并引发越界读取，可能导致信息泄露或拒绝服务。
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 ~ 3.8.13 -
Red HatRed Hat Enterprise Linux 10 0:3.8.10-4.el10_2 ~ * cpe:/o:redhat:enterprise_linux:10.2
Red HatRed 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 HatRed Hat Enterprise Linux 7 Extended Lifecycle Support 0:3.3.29-9.el7_9.1 ~ * cpe:/o:redhat:rhel_els:7
Red HatRed Hat Enterprise Linux 8 0:3.6.16-8.el8_10.6 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red HatRed Hat Enterprise Linux 8 0:3.6.16-8.el8_10.6 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red HatRed 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 HatRed 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 HatRed 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 HatRed 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 HatRed 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 HatRed 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 HatRed 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 HatRed 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 HatRed 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 HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service 0:4.13-4.el8_8.1 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red HatRed 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 HatRed 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 HatRed Hat Enterprise Linux 9 0:3.8.10-4.el9_8 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red HatRed Hat Enterprise Linux 9 0:3.8.10-4.el9_8 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red HatRed 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 HatRed 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 HatRed 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 HatRed Hat AI Inference Server 3.2 1782951051 ~ * cpe:/a:redhat:ai_inference_server:3.2::el9
Red HatRed Hat AI Inference Server 3.2 1782951012 ~ * cpe:/a:redhat:ai_inference_server:3.2::el9
Red HatRed Hat AI Inference Server 3.2 1782951244 ~ * cpe:/a:redhat:ai_inference_server:3.2::el9
Red HatRed Hat Discovery 2 1782159791 ~ * cpe:/a:redhat:discovery:2::el9
Red HatRed Hat Discovery 2 1782166952 ~ * cpe:/a:redhat:discovery:2::el9
Red HatRed Hat Hardened Images 3.8.13-1.hum1 ~ * cpe:/a:redhat:hummingbird:1
Red HatRed Hat Update Infrastructure 5 1781525684 ~ * cpe:/a:redhat:rhui:5::el9
Red HatRed Hat Update Infrastructure 5 1781525671 ~ * cpe:/a:redhat:rhui:5::el9
Red HatRed Hat Update Infrastructure 5 1781525693 ~ * cpe:/a:redhat:rhui:5::el9
Red HatRed Hat Update Infrastructure 5 1781525739 ~ * cpe:/a:redhat:rhui:5::el9
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6
Red HatRed Hat OpenShift Container Platform 4-cpe:/a:redhat:openshift:4
Red HatRed Hat OpenShift Container Platform 4-cpe:/a:redhat:openshift:4

二、漏洞 CVE-2026-33845 的公开POC

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三、漏洞 CVE-2026-33845 的情报信息

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CVE-2026-33845 厂商安全公告 (14)

CVE-2026-33845 其他参考 (4)

IV. Related Vulnerabilities

Same weakness: CWE-191

V. Comments for CVE-2026-33845

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