USN-8292-1: libarchive Ubuntu

CVSS: UnknownPublished
Published 21-05-2026Last modified 21-05-2026
Open JSON

Vulnerability summary

USN-8292-1 is a vulnerability in libarchive Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 3 · Downstream 0 · Related 3
CVE-2026-4424CVE-2026-4426CVE-2026-5121

Timeline

  1. 21-05-2026
    PublishedVulnerability first disclosed.
  2. 21-05-2026
    Last modifiedVulnerability information updated.

Description

libarchive vulnerabilities It was discovered that libarchive incorrectly handled certain RAR archives. An attacker could possibly use this issue to cause an out-of-bounds read via a crafted RAR archive, leading to sensitive memory disclosure. (CVE-2026-4424) It was discovered that libarchive incorrectly handled certain ISO files. An attacker could possibly use this issue to cause incorrect memory allocation via a crafted ISO file, leading to a denial of service. (CVE-2026-4426) It was discovered that libarchive incorrectly handled block pointer allocation in zisofs on 32-bit systems. An attacker could possibly use this issue to cause a heap buffer overflow via a crafted ISO9660 image, possibly leading to arbitrary code execution. (CVE-2026-5121)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • libarchive< 3.1.2-7ubuntu2.8+esm5 | < 3.1.2-11ubuntu0.16.04.8+esm3 | < 3.2.2-3.1ubuntu0.7+esm3 | < 3.4.0-2ubuntu1.5+esm2 | < 3.6.0-1ubuntu1.7 | < 3.7.2-2ubuntu0.7 | < 3.7.7-0ubuntu3.2 | < 3.8.5-1ubuntu2.1

1 vendor · 1 product

References

4 links