CVE-2026-9149 – Libsolv: heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file

CVE ID :CVE-2026-9149

Published : May 21, 2026, 12:16 a.m. | 3 hours, 41 minutes ago

Description :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 allocation and a subsequent out-of-bounds write. An attacker could exploit this to cause a denial of service (DoS).

Severity: 6.5 | MEDIUM

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