Libsolv: heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file
Historical advisory recorded 6 Nov 2026 02:36:20 UTC. Read the latest advisory.
cve-program · CVE-2026-9149
PublishedA 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).
Read the publisher's advisoryAffected versions, risk and source history
cve-program · CVE-2026-9149
PublishedLibsolv: heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file
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).
- Source published
- 20 May 2026 23:34:56 UTC
- Source modified
- 6 Nov 2026 01:45:59 UTC
- Saved here
- 6 Nov 2026 02:36:20 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.
CVSS 3.1 · 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H