chore(deps): update dependency pypdf to v6.14.2 [security] - #1310
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This PR contains the following updates:
==6.13.3→==6.14.2pypdf: Possible large memory usage for wrong image dimensions
CVE-2026-59938 / GHSA-5qjq-93h5-hrgp
More information
Details
Impact
An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires loading images where the declared size values are much too large compared to the actual data.
Patches
This has been fixed in pypdf==6.14.0.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #3888.
Severity
CVSS:4.0/AV:N/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 long runtimes for repeated malformed cross-reference entries
CVE-2026-59937 / GHSA-55h5-xmcq-c37v
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 repeated malformed cross-reference streams.
Patches
This has been fixed in pypdf==6.14.0.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #3887.
Severity
CVSS:4.0/AV:N/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 infinite loop for not terminated inline images
CVE-2026-59936 / GHSA-5xf7-4p34-54qr
More information
Details
Impact
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page with a not terminated inline image, as done when extracting the page text for example.
Patches
This has been fixed in pypdf==6.14.1.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #3891.
Severity
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
pypdf: Possible infinite loop for not terminated inline images (ASCII85 and ASCIIHex filter)
CVE-2026-59935 / GHSA-g867-7843-wf8q
More information
Details
Impact
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page with a not terminated inline image, as done when extracting the page text for example. It only affects the ASCII85 and ASCIIHex filters.
Patches
This has been fixed in pypdf==6.14.2.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #3892.
Severity
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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)
v6.14.2Compare Source
Security (SEC)
Full Changelog
v6.14.1Compare Source
Security (SEC)
Full Changelog
v6.14.0Compare Source
Security (SEC)
Full Changelog
Configuration
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