CVE-2023-36810
low-risk
Published 2023-06-30
pypdf is a pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. An attacker who uses this vulnerability can craft a PDF which leads to unexpected long runtime. This quadratic runtime blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage. This issue has been addressed in PR 808 and versions from 1.27.9 include this fix. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Do I need to act?
-
0.15% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.2/10
Medium
LOCAL
/ LOW complexity
Affected Products (1)
Affected Vendors
References (8)
26
/ 100
low-risk
Severity
20/34 · Moderate
Exploitability
1/34 · Minimal
Exposure
5/34 · Minimal