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.
CVE-2026-9150
MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence
Score 6.5 from GitHub Security Advisory published 2026-05-21. a secondary CVSS source baseline 6.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0
A fix is available — apply it.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EPSS
- 32.0%
- KEV
- Not listed
Published
May 20, 2026
Last Modified
June 29, 2026
Advisory Details (3)
Auto-updated May 29, 2026Patch available. Sources: redhat, github_pr.
github_pr
Fix a buffer overflow when copying SHA-384/512 checksum from a Debian repository
Fix merged in openSUSE/libsolv PR #616 on 2026-04-22 — awaiting tagged release
https://github.com/openSUSE/libsolv/pull/616redhat
2460379 – (CVE-2026-9150) CVE-2026-9150 libsolv: Stack-based buffer overflow in libsolv's Debian metadata parser when handling SHA384/SHA512 checksums
https://bugzilla.redhat.com/show_bug.cgi?id=2460379Vendor Advisories for CVE-2026-9150(5)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2026:30649Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
- RHSA-2026:28236Red Hat Product SecurityMedium
Red Hat Security Advisory: libsolv security update
- CVE-2026-9150Microsoft Security Response Center (MSRC)Medium
Libsolv: stack-based buffer overflow in libsolv's debian metadata parser when handling sha384/sha512 checksums
- RHSA-2026:21333Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
- GHSA-p4w9-3pj8-mhq7GitHub Security AdvisoriesMedium
A flaw was found in libsolv. This stack-based buffer overflow vulnerability occurs in libsolv's...
Frequently asked(5)
What is CVE-2026-9150?
CVE-2026-9150 is a medium vulnerability published on May 20, 2026. 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…
When was CVE-2026-9150 disclosed?
CVE-2026-9150 was first published in the National Vulnerability Database on May 20, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9150 actively exploited?
CVE-2026-9150 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9150?
CVE-2026-9150 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-9150?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9150, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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