pypdf: Possible infinite loop for not terminated inline images
### Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page with a not terminated inline image, as done when extracting the page text for example. ### Patches This has been fixed in [pypdf==6.14.1](https://github.com/py-pdf/pypdf/releases/tag/6.14.1). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3891](https://github.com/py-pdf/pypdf/pull/3891).
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-59936US | high7.5 | — | ||
pypdf is a free and open-source pure-python PDF library. Prior to 6.14.1, an attacker can craft a PDF with a page content stream containing a not terminated inline image, causing a… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/advisories/GHSA-5xf7-4p34-54qrADVISORY
- https://github.com/py-pdf/pypdfPACKAGE
- https://github.com/py-pdf/pypdf/commit/ec3b14596186c40caca7cf8ab9b2155203e01b5bWEB
- https://github.com/py-pdf/pypdf/pull/3891WEB
- https://github.com/py-pdf/pypdf/releases/tag/6.14.1WEB
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-5xf7-4p34-54qrWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-59936ADVISORY
- https://pypi.org/project/pypdfPACKAGE
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan