CVE-2025-62708
pypdf manipulated LZWDecode streams can exhaust RAM
Description
pypdf is a free and open-source pure-python PDF library. Prior to version 6.1.3, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream of a page using the LZWDecode filter. This has been fixed in pypdf version 6.1.3.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
Red Hat Inc.
commercial·USaka red hat
py-pdf
package-ecosystemaka pypdf2, pypdf
pypdfOn-prem
OSS Libraries / pypiPyPI
package-ecosystem
ООО «Ред Софт»
commercial·RUaka red soft
pypdf project
oss-project
Exploitability
Official Patch Available
References
https://github.com/py-pdf/pypdf/security/advisories/GHSA-jfx9-29x2-rv3j
github.com
https://github.com/py-pdf/pypdf/pull/3502
github.com
https://github.com/py-pdf/pypdf/commit/e51d07807ffcdaf18077b9486dadb3dc05b368da
github.com
and 10 more references View all →
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