CVE-2026-4775
7.8
HIGH
CVSS 3.1
EPSS 0.03%
描述
A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerability in the putcontig8bitYCbCr44tile function by providing a specially crafted TIFF file. This flaw can lead to an out-of-bounds heap write due to incorrect memory pointer calculations, potentially causing a denial of service (application crash) or arbitrary code execution.
如何修補 CVE-2026-4775
要修補 CVE-2026-4775,請將受影響套件升級到下列已修補版本。
- —升級至 4.2.0-1+deb11u8 或更新版本
CVE-2026-4775 正在被利用嗎?
低 — EPSS 為 0.0%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 4.2.0-1+deb11u8
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |