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Update dependency pypdf to v6.9.2 [SECURITY]#307

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renovate/pypi-pypdf-vulnerability
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Update dependency pypdf to v6.9.2 [SECURITY]#307
renovate[bot] wants to merge 1 commit intodevelopfrom
renovate/pypi-pypdf-vulnerability

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@renovate renovate bot commented Mar 25, 2026

This PR contains the following updates:

Package Change Age Confidence
pypdf (changelog) ==6.9.1==6.9.2 age confidence

GitHub Vulnerability Alerts

CVE-2026-33699

Impact

An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading a file in non-strict mode.

Patches

This has been fixed in pypdf==6.9.2.

Workarounds

If users cannot upgrade yet, consider applying the changes from PR #​3693.


pypdf: Possible infinite loop during recovery attempts in DictionaryObject.read_from_stream

CVE-2026-33699 / GHSA-87mj-5ggw-8qc3

More information

Details

Impact

An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading a file in non-strict mode.

Patches

This has been fixed in pypdf==6.9.2.

Workarounds

If users cannot upgrade yet, consider applying the changes from PR #​3693.

Severity

  • CVSS Score: 4.6 / 10 (Medium)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U

References

This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).


Release Notes

py-pdf/pypdf (pypdf)

v6.9.2

Compare Source

Security (SEC)
  • Avoid infinite loop in read_from_stream for broken files (#​3693)
Robustness (ROB)
  • Resolve UnboundLocalError for xobjs in _get_image (#​3684)

Full Changelog


Configuration

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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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Coverage report

This PR does not seem to contain any modification to coverable code.

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