CVE-2026-28351
pypdf: Manipulated RunLengthDecode streams can exhaust RAM
EPSS 0.42%
描述
pypdf is a free and open-source pure-python PDF library. Prior to version 6.7.4, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream using the RunLengthDecode filter. This has been fixed in pypdf 6.7.4. As a workaround, consider applying the changes from PR #3664.
如何修補 CVE-2026-28351
要修補 CVE-2026-28351,請將受影響套件升級到下列已修補版本。
- PyPI/pypdf—升級至 6.7.4 或更新版本
- PyPI/pypdf—升級至 6.7.4 或更新版本
CVE-2026-28351 正在被利用嗎?
低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 6.7.4
- from 0, < 6.7.4
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N |