Buffer overflow in Opensuse Libsolv
CVE-2026-48864
A flaw was found in libsolv. This heap buffer overflow occurs during the decompression of attacker-controlled compressed data within `.solv` files due to insufficient input validation. An attacker can provide a specially crafted `.solv` fi…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (2.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Opensuse Libsolv — versions 0.7.36
- Red Hat Enterprise Linux 10
- 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
- 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, Exploit, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-48864?
- CVE-2026-48864 is a high-severity vulnerability in Opensuse Libsolv, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-05-26.
- How severe is CVE-2026-48864?
- High severity. CVSS v3 base score is 7.8 out of 10.