CVE-2026-5121— Libarchive: libarchive: arbitrary code execution via integer overflow in iso9660 image processing
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I. Basic Information for CVE-2026-5121
Vulnerability Information
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Vulnerability Title
Libarchive: libarchive: arbitrary code execution via integer overflow in iso9660 image processing
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer allocation logic. A remote attacker can exploit this by providing a specially crafted ISO9660 image, which can lead to a heap buffer overflow. This could potentially allow for arbitrary code execution on the affected system.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
Vulnerability Title
libarchive 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libarchive是libarchive开源的一款多格式存档和压缩库。 libarchive存在安全漏洞，该漏洞源于在32位系统上，zisofs块指针分配逻辑存在整数溢出，可能导致堆缓冲区溢出和执行任意代码。
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 Enterprise Linux 7 Extended Lifecycle Support | 0:3.1.2-14.el7_9.2 ~ * | cpe:/o:redhat:rhel_els:7 | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:3.3.3-7.el8_10 ~ * | cpe:/a:redhat:enterprise_linux:8::crb | |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:3.3.2-8.el8_2.2 ~ * | cpe:/o:redhat:rhel_aus:8.2::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:3.3.3-1.el8_4.2 ~ * | cpe:/o:redhat:rhel_aus:8.4::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | 0:3.3.3-1.el8_4.2 ~ * | cpe:/o:redhat:rhel_aus:8.4::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 0:3.3.3-6.el8_6.1 ~ * | cpe:/o:redhat:rhel_aus:8.6::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | 0:3.3.3-6.el8_6.1 ~ * | cpe:/o:redhat:rhel_aus:8.6::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | 0:3.3.3-6.el8_6.1 ~ * | cpe:/o:redhat:rhel_aus:8.6::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | 0:3.3.3-5.el8_8.2 ~ * | cpe:/o:redhat:rhel_e4s:8.8::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | 0:3.3.3-5.el8_8.2 ~ * | cpe:/o:redhat:rhel_e4s:8.8::baseos | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:3.5.3-9.el9_7 ~ * | cpe:/a:redhat:enterprise_linux:9::appstream | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:3.5.3-9.el9_7 ~ * | cpe:/a:redhat:enterprise_linux:9::appstream | |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | 0:3.5.3-2.el9_0.4 ~ * | cpe:/a:redhat:rhel_e4s:9.0::appstream | |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | 0:3.5.3-5.el9_2.2 ~ * | cpe:/a:redhat:rhel_e4s:9.2::appstream | |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | 0:3.5.3-5.el9_4 ~ * | cpe:/a:redhat:rhel_eus:9.4::appstream | |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | 0:3.5.3-7.el9_6.1 ~ * | cpe:/a:redhat:rhel_eus:9.6::appstream | |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | 412.86.202604281506-0 ~ * | cpe:/a:redhat:openshift:4.12::el8 | |
| Red Hat | Red Hat OpenShift Container Platform 4.16 | 416.94.202604211449-0 ~ * | cpe:/a:redhat:openshift:4.16::el9 | |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-4.1777325677 ~ * | cpe:/a:redhat:rhosemc:1.0::el8 | |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-4.1777325711 ~ * | cpe:/a:redhat:rhosemc:1.0::el8 | |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-4.1777325710 ~ * | cpe:/a:redhat:rhosemc:1.0::el8 | |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-3.1777325680 ~ * | cpe:/a:redhat:rhosemc:1.0::el8 | |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-4.1777325709 ~ * | cpe:/a:redhat:rhosemc:1.0::el8 | |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-4.1777325680 ~ * | cpe:/a:redhat:rhosemc:1.0::el8 | |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-4.1777325708 ~ * | cpe:/a:redhat:rhosemc:1.0::el8 | |
| Red Hat | Red Hat Discovery 2 | 1778156756 ~ * | cpe:/a:redhat:discovery:2::el9 | |
| Red Hat | Red Hat Hardened Images | 3.8.7-1.hum1 ~ * | cpe:/a:redhat:hummingbird:1 | |
| Red Hat | Red Hat Insights proxy 1.5 | 1776868961 ~ * | cpe:/a:redhat:insights_proxy:1.5::el9 | |
| Red Hat | Red Hat Update Infrastructure 5 | 1776868774 ~ * | cpe:/a:redhat:rhui:5::el9 | |
| Red Hat | Red Hat Update Infrastructure 5 | 1776868744 ~ * | cpe:/a:redhat:rhui:5::el9 | |
| Red Hat | Red Hat Update Infrastructure 5 | 1776868772 ~ * | cpe:/a:redhat:rhui:5::el9 | |
| Red Hat | Red Hat Update Infrastructure 5 | 1776868842 ~ * | cpe:/a:redhat:rhui:5::el9 | |
| Red Hat | Red Hat Update Infrastructure 5 | 1777459441 ~ * | cpe:/a:redhat:rhui:5::el9 | |
| Red Hat | Red Hat Update Infrastructure 5 | 1777454300 ~ * | cpe:/a:redhat:rhui:5::el9 | |
| Red Hat | Red Hat Update Infrastructure 5 | 1777459504 ~ * | cpe:/a:redhat:rhui:5::el9 | |
| 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 |
II. Public POCs for CVE-2026-5121
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
Qwen3.6-35B-A3B · 9319 chars
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III. Intelligence Information for CVE-2026-5121
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Same Patch Batch · Red Hat · 2026-03-30 · 4 CVEs total
| CVE-2026-5164 | 6.7 MEDIUM | Virtio-win: virtio-win: denial of service via unvalidated descriptor count in unmap reques |
| CVE-2026-5165 | 6.7 MEDIUM | Virtio-win: virtio-win: memory corruption via use-after-free in virtio blk device reset |
| CVE-2026-5119 | 5.9 MEDIUM | Libsoup: libsoup: information disclosure via cleartext transmission of cookies during http |
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V. Comments for CVE-2026-5121
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