7.5High

CVE-2026-5121Libarchive: libarchive: arbitrary code execution via integer overflow in iso9660 image processing

Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support… Published: (7 months ago)

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.

Weakness (CWE): CWE-190

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
ai inference server 3.2 —
ai inference server 3.3 —
cert manager 1.17 —
cert manager 1.18 —
cert manager 1.20 —
discovery 2 —
enterprise linux 8 —
enterprise linux 9 —
insights proxy 1.5 —
libarchive libarchive —
openshift 4.12 —
openshift 4.13 —
openshift 4.14 —
openshift 4.15 —
openshift 4.16 —
openshift 4.17 —
openshift 4.18 —
openshift 4.19 —
Red Hat Cert Manager support for Red Hat OpenShift release 1.17 all versions
Red Hat Cert Manager support for Red Hat OpenShift release 1.18 all versions
Red Hat Cert Manager support for Red Hat OpenShift release 1.20 all versions
redhat enterprise linux 6.0
redhat hardened images —
redhat openshift container platform 4.0
Red Hat Red Hat AI Inference Server 3.2 all versions
Red Hat Red Hat AI Inference Server 3.3 all versions
Red Hat Red Hat Discovery 2 all versions
Red Hat Red Hat Enterprise Linux 10 —
Red Hat Red Hat Enterprise Linux 6 —
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support all versions
Red Hat Red Hat Enterprise Linux 8 all versions
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support all versions
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support all versions
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On all versions
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support all versions
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service all versions
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service all versions
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9 all versions
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support all versions
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support all versions
Red Hat Red Hat Hardened Images all versions
Red Hat Red Hat Insights proxy 1.5 all versions
Red Hat Red Hat OpenShift Container Platform 4.12 all versions
Red Hat Red Hat OpenShift Container Platform 4.13 all versions
Red Hat Red Hat OpenShift Container Platform 4.14 all versions
Red Hat Red Hat OpenShift Container Platform 4.15 all versions
Red Hat Red Hat OpenShift Container Platform 4.16 all versions
Red Hat Red Hat OpenShift Container Platform 4.17 all versions
Red Hat Red Hat OpenShift Container Platform 4.18 all versions
Red Hat Red Hat OpenShift Container Platform 4.19 all versions
Red Hat Red Hat Update Infrastructure 5 all versions
Red Hat RHEL-8 based Middleware Containers all versions
rhel aus 8.2 —
rhel aus 8.4 —
rhel aus 8.6 —
rhel e4s 8.6 —
rhel e4s 8.8 —
rhel e4s 9.0 —
rhel e4s 9.2 —
rhel eus 9.4 —
rhel eus 9.6 —
rhel eus long life 8.4 —
rhel tus 8.6 —
rhel tus 8.8 —
rhosemc 1.0 —
rhui 5 —
Siemens SIDIS Secured SmartPlug < V7.26.0310

References and patches

CPE matches (NVD) (8)

  • cpe:2.3:a:libarchive:libarchive:-:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*