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SRC: CVELISTV5 / SYNC: T-8M / LAG: 24M / REC: 386,412 / REV: C6-1C / V4

01 RecordSTATE: PUBLISHED

CVE-2026-4111

Libarchive: infinite loop denial of service in rar5 decompression via archive_read_data() in libarchive

HighPUBLISHEDCNA: redhat

CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

02 Description

CNA: redhat

Libarchive: infinite loop denial of service in rar5 decompression via archive_read_data() in libarchive

03 Exploitation and scoring

SRC: CISA, FIRST, NVD, RED HAT

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.69% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 50.3% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-09-01.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

SCHEMA: 5.2

Published

2026-03-13 11:45Z5 MO AGO

Last updated

2026-09-01 12:04Z3 DAYS AGO

Reserved

2026-03-13

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base

Data version

5.2

Document digest

f8d3c9963e5436163eb8b14f5b748db696ed6101e2da0b0df22c0207ecd1381d

05 Affected products

PAIRS: 24

VendorProductVersionsPlatforms

Red HatRed Hat Enterprise Linux 10Not specified—

Red HatRed Hat Enterprise Linux 10.0 Extended Update SupportNot specified—

Red HatRed Hat Enterprise Linux 9Not specified—

Red HatRed Hat Enterprise Linux 9.0 Update Services for SAP SolutionsNot specified—

Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP SolutionsNot specified—

Red HatRed Hat Enterprise Linux 9.4 Extended Update SupportNot specified—

Red HatRed Hat Enterprise Linux 9.6 Extended Update SupportNot specified—

Red HatRed Hat OpenShift Container Platform 4.13Not specified—

Red HatRed Hat OpenShift Container Platform 4.14Not specified—

Red HatRed Hat OpenShift Container Platform 4.15Not specified—

Red HatRed Hat OpenShift Container Platform 4.16Not specified—

Red HatRed Hat OpenShift Container Platform 4.17Not specified—

Red HatRed Hat OpenShift Container Platform 4.18Not specified—

Red HatRed Hat OpenShift Container Platform 4.19Not specified—

Red HatRed Hat AI Inference Server 3.2Not specified—

Red HatRed Hat AI Inference Server 3.3Not specified—

Red HatRed Hat Discovery 2Not specified—

Red HatRed Hat Hardened ImagesNot specified—

Red HatRed Hat Insights proxy 1.5Not specified—

Red HatRed Hat Update Infrastructure 5Not specified—

Red HatRed Hat Enterprise Linux 6Not specified—

Red HatRed Hat Enterprise Linux 7Not specified—

Red HatRed Hat Enterprise Linux 8Not specified—

Red HatRed Hat OpenShift Container Platform 4Not specified—

06 References

REFS: 30

access.redhat.comRHSA-2026:10065https://access.redhat.com/errata/RHSA-2026:10065vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:10081https://access.redhat.com/errata/RHSA-2026:10081vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:10097https://access.redhat.com/errata/RHSA-2026:10097vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:14773https://access.redhat.com/errata/RHSA-2026:14773vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:15087https://access.redhat.com/errata/RHSA-2026:15087vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:16008https://access.redhat.com/errata/RHSA-2026:16008vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:16009https://access.redhat.com/errata/RHSA-2026:16009vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:16174https://access.redhat.com/errata/RHSA-2026:16174vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:17596https://access.redhat.com/errata/RHSA-2026:17596vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:25096https://access.redhat.com/errata/RHSA-2026:25096vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:5063https://access.redhat.com/errata/RHSA-2026:5063vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:5080https://access.redhat.com/errata/RHSA-2026:5080vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:6647https://access.redhat.com/errata/RHSA-2026:6647vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:7093https://access.redhat.com/errata/RHSA-2026:7093vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:7105https://access.redhat.com/errata/RHSA-2026:7105vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:7106https://access.redhat.com/errata/RHSA-2026:7106vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:7239https://access.redhat.com/errata/RHSA-2026:7239vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:7329https://access.redhat.com/errata/RHSA-2026:7329vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:7335https://access.redhat.com/errata/RHSA-2026:7335vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:8423https://access.redhat.com/errata/RHSA-2026:8423vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:8746https://access.redhat.com/errata/RHSA-2026:8746vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:8747https://access.redhat.com/errata/RHSA-2026:8747vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:8748https://access.redhat.com/errata/RHSA-2026:8748vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:8865https://access.redhat.com/errata/RHSA-2026:8865vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:8944https://access.redhat.com/errata/RHSA-2026:8944vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:9832https://access.redhat.com/errata/RHSA-2026:9832vendor-advisoryx_refsource_REDHAT
access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-4111vdb-entryx_refsource_REDHAT
bugzilla.redhat.comRHBZ#2446453https://bugzilla.redhat.com/show_bug.cgi?id=2446453issue-trackingx_refsource_REDHAT
github.comhttps://github.com/libarchive/libarchive/pull/2877
security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4111.jsonx_sadp-csaf-vex