CVE-2026-24688
MEDIUM
GHSA-2q4j-m29v-hq73
4.3
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Lifecycle Timeline
3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
Patch Released
Feb 25, 2026 - 17:40 nvd
Patch available
CVE Published
Jan 27, 2026 - 20:16 nvd
MEDIUM 4.3
Description
pypdf is a free and open-source pure-python PDF library. An attacker who uses an infinite loop vulnerability that is present in versions prior to 6.6.2 can craft a PDF which leads to an infinite loop. This requires accessing the outlines/bookmarks. This has been fixed in pypdf 6.6.2. If projects cannot upgrade yet, consider applying the changes from PR #3610 manually.
Analysis
Pypdf versions up to 6.6.2 is affected by loop with unreachable exit condition (infinite loop) (CVSS 4.3).
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Remediation
Within 30 days: Identify affected systems running versions and apply vendor patches as part of regular patch cycle. Vendor patch is available.
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Priority Score
22
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +22
POC: 0
Vendor Status
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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