CVE-2026-14164

HIGH
MEDIUM Priority: 0.06 BB Relevance: 75/100
Published: 2026-06-30 Modified: 2026-10-31 First seen: 2026-10-31 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

Description

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.

Weakness Classification (1)

References & Advisories (55)

https://access.redhat.com/errata/RHSA-2026:30333
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:52674
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:52675
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:54387
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:54760
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:54769
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:56954
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:58558
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:58573
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:58574
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:58981
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:61783
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:62409
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:63041
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:63044
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:63100
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:65839
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:65851
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67857
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67935
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:70586
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:70615
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72394
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72395
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72399
vendor-advisory x_refsource_REDHAT
Showing 25 of 55 references

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.79%
Raw Score 0.007920
Percentile 56.3%
Date 2026-10-31

Intelligence Sources

mitre ref →
nvd ref →