chore(deps): update dependency pypdf to v6.15.0 [security] - #1989
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chore(deps): update dependency pypdf to v6.15.0 [security]#1989renovate[bot] wants to merge 1 commit into
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This PR contains the following updates:
==6.14.2→==6.15.0pypdf: Possible long runtimes/large memory usage for large CID font width ranges
CVE-2026-71852 / GHSA-fwg2-594c-jp42
More information
Details
Impact
An attacker who uses this vulnerability can craft a PDF which leads to long runtimes and large memory consumption. This requires parsing the font width entries of a font with unusually large values, for example during text extraction.
Patches
This has been fixed in pypdf==6.15.0.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #3946.
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).
pypdf: Possible large memory usage for large /ToUnicode streams
CVE-2026-71870 / GHSA-fp3f-mc75-235c
More information
Details
Impact
An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires parsing the
/ToUnicodeentry of a font with unusually large values, for example during text extraction.Patches
This has been fixed in pypdf==6.15.0.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #3944.
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 OSV and the GitHub Advisory Database (CC-BY 4.0).
pypdf: Possible long runtimes/large memory usage for large CID font width ranges
CVE-2026-71852 / GHSA-fwg2-594c-jp42
More information
Details
Impact
An attacker who uses this vulnerability can craft a PDF which leads to long runtimes and large memory consumption. This requires parsing the font width entries of a font with unusually large values, for example during text extraction.
Patches
This has been fixed in pypdf==6.15.0.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #3946.
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 OSV and the GitHub Advisory Database (CC-BY 4.0).
Release Notes
py-pdf/pypdf (pypdf)
v6.15.0Compare Source
Security (SEC)
Deprecations (DEP)
New Features (ENH)
Bug Fixes (BUG)
Documentation (DOC)
Maintenance (MAINT)
Full Changelog
Configuration
📅 Schedule: (UTC)
🚦 Automerge: Enabled.
♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
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