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SRC: CVELISTV5 / SYNC: T-5M / LAG: 32M / REC: 386,835 / REV: C6-1C / V4

01 RecordSTATE: PUBLISHED

CVE-2026-14164

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

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

03 Exploitation and scoring

SRC: CISA, FIRST, NVD, RED HAT

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
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

0.49% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 39.8% 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

Moderate. 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

2026-06-30 06:29Z2 MO AGO

Last updated

2026-09-01 02:20Z4 DAYS AGO

Reserved

2026-06-30

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-415Double FreeVariant

Data version

5.2

Document digest

357dfc08effbe07fca96b179775c60fc96de5f7a56c5deb3b8bd2af822e2ea15

05 Affected products

PAIRS: 14

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 9.2 Update Services for SAP SolutionsNot specified—

Red HatRed Hat Enterprise Linux 9.4 Update Services for SAP SolutionsNot specified—

Red HatRed Hat Enterprise Linux 9.6 Extended Update SupportNot specified—

Red HatRed Hat OpenShift Container Platform 4.22Not specified—

Red HatRed Hat Discovery 2Not specified—

Red HatRed Hat Hardened ImagesNot 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: 16

access.redhat.comRHSA-2026:30333https://access.redhat.com/errata/RHSA-2026:30333vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:52674https://access.redhat.com/errata/RHSA-2026:52674vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:52675https://access.redhat.com/errata/RHSA-2026:52675vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:54387https://access.redhat.com/errata/RHSA-2026:54387vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:54760https://access.redhat.com/errata/RHSA-2026:54760vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:54769https://access.redhat.com/errata/RHSA-2026:54769vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:56954https://access.redhat.com/errata/RHSA-2026:56954vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:58558https://access.redhat.com/errata/RHSA-2026:58558vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:58573https://access.redhat.com/errata/RHSA-2026:58573vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:58574https://access.redhat.com/errata/RHSA-2026:58574vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:58981https://access.redhat.com/errata/RHSA-2026:58981vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:61783https://access.redhat.com/errata/RHSA-2026:61783vendor-advisoryx_refsource_REDHAT
access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-14164vdb-entryx_refsource_REDHAT
bugzilla.redhat.comRHBZ#2493411https://bugzilla.redhat.com/show_bug.cgi?id=2493411issue-trackingx_refsource_REDHAT
github.comhttps://github.com/libarchive/libarchive/issues/3069
github.comhttps://github.com/libarchive/libarchive/pull/3071