PT-2026-24480 · Pypi+1 · Pypdf+1

Iconnnjka · CVE-2026-31826 · Published 2026-03-10 · Updated 2026-07-13

Positive Technologies (AI Summary)

CVSS v4.0

6.8

Medium

Base vector

AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.8.0

Description pypdf is a free and open-source pure-python PDF library. A crafted PDF file can cause excessive memory usage when parsed, specifically when processing a content stream with a large /Length value, irrespective of the actual data length within the stream.

Recommendations Update to version 6.8.0 or later.

Exploit

Fix

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

BDU:2026-07334

CVE-2026-31826

GHSA-HQMH-PPP3-XVM7

OPENSUSE-SU-2026:10332-1

OPENSUSE-SU-2026:10334-1

OPENSUSE-SU-2026:20375-1

PYSEC-2026-3019

Affected Products

Red Os

Pypdf

References · 29

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31826.json · Exploit
• https://github.com/py-pdf/pypdf/security/advisories/GHSA-hqmh-ppp3-xvm7 · Vendor Advisory
• https://github.com/py-pdf/pypdf/pull/3675 · Patch
• https://osv.dev/vulnerability/CVE-2026-31826 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10332-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-31826 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-31826 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-31826 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-3019 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31826 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10334-1 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-hqmh-ppp3-xvm7 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-31826 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:20375-1 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-APP-PYPI-CVE-2026-31826 · Vendor Advisory