CVE-2026-5121
7.5
HIGH
CVSS 3.1
EPSS 1.1%
描述
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.
如何修補 CVE-2026-5121
要修補 CVE-2026-5121,請將受影響套件升級到下列已修補版本。
- Debian/libarchive—升級至 3.4.3-2+deb11u4 或更新版本
CVE-2026-5121 正在被利用嗎?
低 — EPSS 為 1.1%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 3.4.3-2+deb11u4
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |