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CVE-2026-27628 Detail

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.2, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. This has been fixed in pypdf 6.7.2. As a workaround, one may apply the patch manually.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  GitHub, Inc.
CVSS-BT 1.2 LOW
Vector:  CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/py-pdf/pypdf/commit/0fbd95938724ad2d72688d4112207c0590f0483f GitHub, Inc.
https://github.com/py-pdf/pypdf/issues/3654 GitHub, Inc.
https://github.com/py-pdf/pypdf/security/advisories/GHSA-2rw7-x74f-jg35 GitHub, Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop') GitHub, Inc.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-27628
NVD Published Date:
02/24/2026
NVD Last Modified:
02/24/2026
Source:
GitHub, Inc.