Buffer overflow in openSUSE Libsolv

CVE-2026-9150

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.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (34.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-9150?
CVE-2026-9150 is a medium-severity vulnerability in openSUSE Libsolv, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-05-20.
How severe is CVE-2026-9150?
Medium severity. CVSS v3 base score is 6.5 out of 10.