CVE-2026-41168
MEDIUM5.3EPSS 0.05%pypdf has long runtimes for wrong size values in cross-reference and object streams
發布日:2026/4/15修改日:2026/5/6
描述
### Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with wrong large `/Size` values or object streams with wrong large `/N` values. ### Patches This has been fixed in [pypdf==6.10.1](https://github.com/py-pdf/pypdf/releases/tag/6.10.1). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3733](https://github.com/py-pdf/pypdf/pull/3733).
受影響套件(3)
- Debian/pypdffrom 0
- Debian/pypdf2from 0
- PyPI/pypdffrom 0, < 6.10.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
參考連結(7)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-41168
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-41168
- PATCHhttps://github.com/py-pdf/pypdf
- WEBhttps://github.com/py-pdf/pypdf/commit/62338e9d36419cf193ccec7331784f45df1d70b3
- WEBhttps://github.com/py-pdf/pypdf/pull/3733
- WEBhttps://github.com/py-pdf/pypdf/releases/tag/6.10.1
- WEBhttps://github.com/py-pdf/pypdf/security/advisories/GHSA-jj6c-8h6c-hppx