6.5

CVE-2026-9150: opensuse libsolv Stack-based Buffer Overflow

CVSS: 6.5v3.1MediumModified
AliasesRHSA-2026:30649UBUNTU-CVE-2026-9150DEBIAN-CVE-2026-9150
Published 20-05-2026Last modified 01-09-2026

Vulnerability summary

CVE-2026-9150 is a medium (CVSS 6.5) Stack-based Buffer Overflow vulnerability in opensuse libsolv. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 46.7% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.58%
0%100%
Low · +0.17 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 11 · Related 8

Timeline

  1. 20-05-2026
    PublishedVulnerability first disclosed.
  2. 01-09-2026
    Last modifiedVulnerability information updated.

Description

A flaw was found in libsolv. This stack-based buffer overflow vulnerability occurs in libsolv's Debian metadata parser when processing specially crafted Debian repository metadata. An attacker could exploit this by providing malicious SHA384 or SHA512 checksum tags, leading to memory corruption and a denial of service (DoS) in the affected system.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.58%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

+0.17 pp

From 0.41% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.58%

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

Affected systems

Redhat13 products
Debian1 product
  • libsolvAll versions (No fix recorded) | < 0.7.37-1
Opensuse1 product
Ubuntu1 product
  • libsolvAll versions (No fix recorded)

4 vendors · 16 products

References

15 links
Show all 15 references