CVE-2026-113795CWE-400CWE-770denial-of-service

CVE-2026-113795

published October 21, 2026

CVSS
6.0
EPSS
0%
Percentile
39.3
In the wild
Unconfirmed
What it is

pypdf is a free and open-source pure-python PDF library. Prior to 6.20.0, accessing a crafted PDF stream with a large number of filters or multiple filters that pass around large amounts of data can cause large memory consumption. This issue is fixed in version 6.20.0.

The record
Technical detail
CVSS
6.0 · NONE
CVSS v4.0
6.0 · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00466 · 39.3th percentile
Weaknesses
CWE-400 · Uncontrolled Resource Consumption; CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-10-21T20:17Z
References (4)
https://github.com/py-pdf/pypdf/commit/80a84d4be6022d910874ccb0d2365400f3f0e185 · [email protected]https://github.com/py-pdf/pypdf/pull/4173 · [email protected]https://github.com/py-pdf/pypdf/releases/tag/6.20.0 · [email protected]https://github.com/py-pdf/pypdf/security/advisories/GHSA-7mh2-4gg2-979f · [email protected]
EPSS history
Timeline
  • 23 OCT 03:55Z
    EPSS moved — → 0%
    epss
  • 21 OCT 16:01Z
    pypdf: Possible large memory usage for streams with multiple filters
    cvelistv5
  • 21 OCT 16:01Z
    pypdf: Possible large memory usage for streams with multiple filters
    cvelistv5