Stack-Based Buffer Overflow in libsolv Debian Metadata Parser
CVE-2026-9150

6.5MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Vendor
CVE Published:
20 May 2026

What is CVE-2026-9150?

A vulnerability has been identified in libsolv, specifically within its Debian metadata parser. This flaw it susceptibility to a stack-based buffer overflow when handling specially crafted Debian repository metadata. An attacker could exploit the vulnerability by submitting malicious SHA384 or SHA512 checksum tags, resulting in memory corruption. This could potentially lead to a denial of service (DoS) condition, impacting the stability and reliability of systems utilizing affected versions of libsolv.

References

https://access.redhat.com/security/cve/CVE-2026-9150
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2460379
issue-trackingx_refsource_REDHAT
https://github.com/openSUSE/libsolv/pull/616

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.