Public vulnerability disclosure

CVE-2026-14164

Libarchive: double-free vulnerability in rar5 decompression logic via dangling filtered_buf pointer in init_unpack()

publishedCWE-415

A double free issue has been identified in libarchive's RAR5 reader. During parsing of a specially crafted RAR5 archive, the filtered_buf pointer may remain stale after being freed during unpacking state reinitialization. Subsequent processing of another archive entry can trigger a second free of the same memory region, resulting in a double-free condition. Successful exploitation may cause applications using the vulnerable libarchive API to terminate unexpectedly, leading to a denial of service.

Technical severity7.5 highCVSS 3.1 · CNA: redhat
Published2026-06-30Source updated 2026-11-05
Collected2026-11-053 attributed sources

Fixes and workarounds

Workaround

No mitigation is currently available that meets Red Hat Product Security's standards for usability, deployment, applicability, or stability. Customers are advised to apply the appropriate security update once it becomes available.

Source: CNA: redhat

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
Red Hat Enterprise Linux 10
Red Hat
libarchive
https://access.redhat.com/downloads/content/package-browser/
≥ 0:3.7.7-10.el10_2; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 10.0 Extended Update Support
Red Hat
libarchive
https://access.redhat.com/downloads/content/package-browser/
≥ 0:3.7.7-5.el10_0.1; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 9
Red Hat
libarchive
https://access.redhat.com/downloads/content/package-browser/
≥ 0:3.5.3-11.el9_8; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Red Hat
libarchive
https://access.redhat.com/downloads/content/package-browser/
≥ 0:3.5.3-5.el9_2.3; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
Red Hat
libarchive
https://access.redhat.com/downloads/content/package-browser/
≥ 0:3.5.3-5.el9_4.2; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 9.6 Extended Update Support
Red Hat
libarchive
https://access.redhat.com/downloads/content/package-browser/
≥ 0:3.5.3-7.el9_6.2; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift Container Platform 4.13
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/
≥ 413.92.202609080414-0; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift Container Platform 4.14
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/
≥ 414.92.202609011250-0; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift Container Platform 4.15
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/
≥ 415.92.202609140326-0; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift Container Platform 4.16
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/
≥ 416.94.202609140240-0; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift Container Platform 4.17
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/
≥ 417.94.202609191027-0; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift Container Platform 4.18
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/
≥ 418.94.202609031320-0; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift Container Platform 4.18
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/
≥ 418.94.202609171815-0; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift Container Platform 4.19
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/
≥ 4.19.9.6.202609021231-0; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift Container Platform 4.20
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/
≥ 4.20.9.6.202609021029-0; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift Container Platform 4.21
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/
≥ 4.21.9.6.202609021100-0; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift Container Platform 4.22
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/
≥ 4.22.9.8.202608130832-0; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791371080; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791371069; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791788287; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791378395; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/cert-manager-operator-bundle
https://catalog.redhat.com/software/containers/
≥ 1791970484; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791459707; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791459711; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791459759; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/
≥ 1789029076; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/cert-manager-operator-bundle
https://catalog.redhat.com/software/containers/
≥ 1791966259; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790223279; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790223719; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790272426; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790589998; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790589912; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790589914; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790589855; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-trust-manager-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790598593; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat AI Inference Server 3.5
Red Hat
rhaii/vllm-gaudi-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791427182; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat AI Inference Server 3.5
Red Hat
rhaii/vllm-spyre-rhel9
https://catalog.redhat.com/software/containers/
≥ 1791818357; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Discovery 2
Red Hat
discovery/discovery-server-rhel9
https://catalog.redhat.com/software/containers/
≥ 1786638573; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Discovery 2
Red Hat
discovery/discovery-ui-rhel9
https://catalog.redhat.com/software/containers/
≥ 1788206196; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Hardened Images
Red Hat
libarchive-main
https://catalog.redhat.com/software/containers/
≥ 3.8.8-2.hum1; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-rocm-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790276886; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-tpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790276884; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-cpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790277045; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-spyre-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790276889; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.0
Red Hat
rhai/base-image-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790276974; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-tpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703497; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-rocm-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703506; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-cpu-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703590; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-spyre-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703568; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-cuda-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703586; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.2
Red Hat
rhai/base-image-rocm-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703494; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat OpenShift AI 3.4
Red Hat
rhai/base-image-neuron-rhel9
https://catalog.redhat.com/software/containers/
≥ 1790703542; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/cds-kubernetes-rhel9
https://catalog.redhat.com/software/containers/
≥ 1786435241; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/cds-rhel9
https://catalog.redhat.com/software/containers/
≥ 1786533457; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/haproxy-rhel9
https://catalog.redhat.com/software/containers/
≥ 1786533449; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/installer-rhel9
https://catalog.redhat.com/software/containers/
≥ 1786435483; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/rhua-rhel9
https://catalog.redhat.com/software/containers/
≥ 1786533529; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/cds-kubernetes-tp-rhel9
https://catalog.redhat.com/software/containers/
≥ 1787241211; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/installer-tp-rhel9
https://catalog.redhat.com/software/containers/
≥ 1787135742; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/rhua-tp-rhel9
https://catalog.redhat.com/software/containers/
≥ 1787241260; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 6
Red Hat
libarchive
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: unaffected
CNA: redhat
Red Hat Enterprise Linux 7
Red Hat
libarchive
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: unaffected
CNA: redhat
Red Hat Enterprise Linux 8
Red Hat
libarchive
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: unaffected
CNA: redhat
Red Hat OpenShift Container Platform 4
Red Hat
openshift/ose-rhel-coreos-8
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: unaffected
CNA: redhat
Red Hat OpenShift Container Platform 5
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: affected
CNA: redhat

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 7.5
high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCNA: redhat
3.1 / 7.5
high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD: [email protected]

Exploit evidence

References

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