Buffer overflow in Opensuse Libsolv
CVE-2026-9149
A flaw was found in libsolv. This heap buffer overflow vulnerability occurs when a victim processes a specially crafted `.solv` file containing negative size values in the `repo_add_solv` function. This leads to an undersized memory alloca…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (17.3th 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
- Opensuse Libsolv
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Hardened Images
- Red Hat Openshift Container Platform 4
- Red Hat Satellite 6
- Red Hat Update Infrastructure 4 For Cloud Providers
- Redhat Enterprise_linux — versions 7.0, 8.0, 9.0
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Patch, Issue Tracking)
Frequently asked questions
- What is CVE-2026-9149?
- CVE-2026-9149 is a medium-severity vulnerability in Opensuse Libsolv, classified under Heap-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-05-21.
- How severe is CVE-2026-9149?
- Medium severity. CVSS v3 base score is 6.5 out of 10.