fix(deps): update dependency pypdf to v6.12.0 [security] - #964
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🟢 Coverage ∅ diff coverage · +0.00% coverage variation
Metric Results Coverage variation ✅ +0.00% coverage variation (-1.00%) Diff coverage ✅ ∅ diff coverage Coverage variation details
Coverable lines Covered lines Coverage Common ancestor commit (7722538) 720 517 71.81% Head commit (4bf38d5) 720 (+0) 517 (+0) 71.81% (+0.00%) Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch:
<coverage of head commit> - <coverage of common ancestor commit>Diff coverage details
Coverable lines Covered lines Diff coverage Pull request (#964) 0 0 ∅ (not applicable) Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified:
<covered lines added or modified>/<coverable lines added or modified> * 100%
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This PR contains the following updates:
==6.10.2→==6.12.0pypdf: Possible long runtimes for zero-only width values in cross-reference streamsuntimes for zero-only width values in cross-reference streams
CVE-2026-48156 / GHSA-248m-82v9-q6g6
More information
Details
Impact
An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with
/W [0 0 0]values and large/Sizevalues.Patches
This has been fixed in pypdf==6.12.0.
Workarounds
If developers are unable to upgrade their apps immediately, they should consider applying the changes from PR #3791.
Severity
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
pypdf: Possible large memory usage for large offsets for layout mode text
CVE-2026-48155 / GHSA-cj93-chg6-vgv8
More information
Details
Impact
An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting text in layout mode with large character offsets.
Patches
This has been fixed in pypdf==6.12.0.
Workarounds
If developers are unable to immediately upgrade, they should consider applying the changes from PR #3790.
Severity
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Release Notes
py-pdf/pypdf (pypdf)
v6.12.0Compare Source
Security (SEC)
Robustness (ROB)
Full Changelog
v6.11.0Compare Source
New Features (ENH)
Robustness (ROB)
Developer Experience (DEV)
Full Changelog
Configuration
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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
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