PT-2026-42274 · Libsolv · Libsolv

Aisle In + 1 · Published 2026-05-20 · Updated 2026-06-02 · CVE-2026-9149

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions libsolv (affected versions not specified)

Description A heap buffer overflow occurs when processing a specially crafted .solv file containing negative size values in the repo add solv() function. This results in an undersized memory allocation and a subsequent out-of-bounds write, which an attacker could exploit to cause a denial of service (DoS).

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-9149

OESA-2026-2466

OESA-2026-2467

OPENSUSE-SU-2026:10895-1

Affected Products

Libsolv

References · 24

• 🔥 https://github.com/openSUSE/libsolv/pull/617 · Exploit
• https://security-tracker.debian.org/tracker/CVE-2026-9149 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2466 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10895-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-9149 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-9149 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-9150 · Security Note
• https://ubuntu.com/security/CVE-2026-9149 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-9149 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-9149 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2467 · Vendor Advisory
• https://github.com/openSUSE/libsolv/commit/210386037c892a720972ad35a3d8f7073b4d763b · Note
• https://suse.com/security/cve/CVE-2026-9149 · Note
• https://t.me/cveNotify/164320 · Telegram Post
• https://t.me/cveNotify/165570 · Telegram Post