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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 /Size values.
sondt99 Reporter
stefan6419846 Analyst
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 you cannot upgrade yet, consider applying the changes from PR #3791.
Credits