pypdf: Possible long runtimes/large memory usage when parsing indirect objects

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires reading a PDF document with long indirect object headers, not terminated by whitespace. PatchesThis has been fixed in pypdf==6.18.0. WorkaroundsIf you cannot upgrade yet, consider applying th...

PYSEC-2026-4153 pypdf: Possible long runtimes/large memory usage when parsing indirect objects

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires reading a PDF document with long indirect object headers, not terminated by whitespace. Patches This has been fixed in pypdf==6.18.0. Workarounds If you cannot upgrade yet, consider applying...

GHSA-5JQ2-8X83-X246 pypdf: Possible long runtimes/large memory usage when parsing indirect objects

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires reading a PDF document with long indirect object headers, not terminated by whitespace. Patches This has been fixed in pypdf==6.18.0. Workarounds If you cannot upgrade yet, consider applying...

pypdf: Possible long runtimes/large memory usage when parsing indirect objects

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires reading a PDF document with long indirect object headers, not terminated by whitespace. Patches This has been fixed in pypdf==6.18.0. Workarounds If you cannot upgrade yet, consider applying...

CVE-2026-102994 pypdf: Possible long runtimes/large memory usage when parsing indirect objects

pypdf is a free and open-source pure-python PDF library. Prior to 6.18.0, a crafted PDF containing indirect-object identifiers or generation-number tokens that continue for a long time without whitespace can cause pypdf/reader.py and pypdf/generic/base.py to scan excessive input through...

Foxit PDF Reader和Foxit PDF Editor 输入验证错误漏洞

Foxit PDF Reader and Foxit PDF Editor are both products of Foxit China, a PDF reader, and Foxit PDF Editor, a PDF editor. stems from mistakenly handling the case where the array size is smaller than the maximum number of indirect objects, and an attacker can exploit the vulnerability to cause NUL...