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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (46.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002
Affected products
- openSUSE Libsolv
- Red Hat Enterprise Linux 10 — versions 0:0.7.33-5.el10_2
- Red Hat Enterprise Linux 10.0 Extended Update Support — versions 0:0.7.29-8.el10_0.1
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Hardened Images — versions 0.7.38-2.hum1, 0.7.39-3.hum1
- Red Hat Openshift Container Platform 4
- Red Hat Satellite 6
- Red Hat Update Infrastructure 4 For Cloud Providers
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2026-9150 (Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Third Party Advisory, Issue Tracking)
- github.com/openSUSE/libsolv/pull/616 (Patch, Issue Tracking)
- access.redhat.com/errata/RHSA-2026:28236 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:21333 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:30649 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:48818 (vendor-advisory)
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.