Python
CVE-2026-31826
MEDIUM
GHSA-hqmh-ppp3-xvm7
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary rating from GitHub Advisory.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Lifecycle Timeline
3Blast Radius
ecosystem impact- 9 pypi packages depend on pypdf (9 direct, 0 indirect)
Ecosystem-wide dependent count for version 6.8.0.
DescriptionGitHub Advisory
pypdf is a free and open-source pure-python PDF library. Prior to 6.8.0, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing a content stream with a rather large /Length value, regardless of the actual data length inside the stream. This vulnerability is fixed in 6.8.0.
AnalysisAI
pypdf is a free and open-source pure-python PDF library. versions up to 6.8.0 is affected by allocation of resources without limits or throttling.
Technical ContextAI
This vulnerability (CWE-770: Allocation of Resources Without Limits or Throttling) affects pypdf is a free and open-source pure-python PDF library.. pypdf is a free and open-source pure-python PDF library. Prior to 6.8.0, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing a content stream with a rather large /Length value, regardless of the actual data length inside the stream. This vulnerability is fixed in 6.8.0.
RemediationAI
Fixed in version 6.8.0..
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View allVendor StatusVendor
SUSE
Severity: Medium| Product | Status |
|---|---|
| openSUSE Leap 16.0 | Fixed |
| openSUSE Tumbleweed | Fixed |
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External POC / Exploit Code
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