What’s Vulnerable › Vulnerabilities

CVE-2026-9150: Libsolv: stack-based buffer overflow in libsolv's debian metadata parser when handling sha384/sha512 checksums

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-20 · updated 2026-09-01
• Weakness: CWE-121

Description

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.

Affected products

• OpenSUSE libsolv: through 0.7.36
• Red Hat Enterprise Linux: 7.0, 8.0, 9.0, 10.0
• RedHat Hardened Images: all versions
• Red Hat OpenShift Container Platform 4.18: 4.0
• Red Hat Satellite 6: 6.0
• RedHat Update Infrastructure: 4

References

• https://access.redhat.com/errata/RHSA-2026:21333
• https://access.redhat.com/errata/RHSA-2026:28236
• https://access.redhat.com/errata/RHSA-2026:30649
• https://access.redhat.com/errata/RHSA-2026:48818
• https://access.redhat.com/security/cve/CVE-2026-9150
• https://bugzilla.redhat.com/show_bug.cgi?id=2460379
• https://github.com/openSUSE/libsolv/pull/616

Get alerted when CVE-2026-9150 or the next vulnerability affects your stack