VDB
DEBIAN-CVE-2026-5121
DEBIAN-CVE-2026-5121
PUBLISHED
CVSS 7.5 HIGH
A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer allocation logic. A remote attacker can exploit this by providing a specially crafted ISO9660 image, which can lead to a heap buffer overflow. This could potentially allow for arbitrary code execution on the affected system.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | libarchive | 3.8.6-1, 0, 3.4.3-2 |
| Debian:14 | libarchive | 3.8.4-1, 0, 3.7.4-4 |
| Debian:12 | libarchive | 3.6.2-1, *, 0 |
| Debian:13 | libarchive | 0, 3.8.6-1, 0 |
Exploit Intelligence
- pyx-vanta-autofix.ps1 (github-poc)
Timeline
- Mar 30, 2026 CVE Published
- May 16, 2026 CVE Updated