PYSEC-2026-4160 pypdf: Possible large memory usage when retrieving alphabetical page labels

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large alphabetical labels. Patches This has been fixed in pypdf==6.19.0. Workarounds If you cannot upgrade yet, consider applying the...

pypdf: Possible large memory usage when retrieving alphabetical page labels

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large alphabetical labels. PatchesThis has been fixed in pypdf==6.19.0. WorkaroundsIf you cannot upgrade yet, consider applying the...

pypdf: Possible large memory usage when retrieving Roman page labels

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large Roman numerals. PatchesThis has been fixed in pypdf==6.17.0. WorkaroundsIf you cannot upgrade yet, consider applying the changes...

PYSEC-2026-4158 pypdf: Possible large memory usage when retrieving Roman page labels

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large Roman numerals. Patches This has been fixed in pypdf==6.17.0. Workarounds If you cannot upgrade yet, consider applying the chang...

pypdf: Possible large memory usage when retrieving alphabetical page labels

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large alphabetical labels. Patches This has been fixed in pypdf==6.19.0. Workarounds If you cannot upgrade yet, consider applying the...

GHSA-W23X-9JRW-R45C pypdf: Possible large memory usage when retrieving alphabetical page labels

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large alphabetical labels. Patches This has been fixed in pypdf==6.19.0. Workarounds If you cannot upgrade yet, consider applying the...

EUVD-2026-90365

pypdf: Possible large memory usage when retrieving Roman page labels...

GHSA-QV6H-RV94-W285 pypdf: Possible large memory usage when retrieving Roman page labels

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large Roman numerals. Patches This has been fixed in pypdf==6.17.0. Workarounds If you cannot upgrade yet, consider applying the chang...

pypdf: Possible large memory usage when retrieving Roman page labels

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large Roman numerals. Patches This has been fixed in pypdf==6.17.0. Workarounds If you cannot upgrade yet, consider applying the chang...

PT-2026-105902

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large Roman numerals. Patches This has been fixed in pypdf==6.17.0. Workarounds If you cannot upgrade yet, consider applying the chang...

PT-2026-105904

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large alphabetical labels. Patches This has been fixed in pypdf==6.19.0. Workarounds If you cannot upgrade yet, consider applying the...

PT-2026-105544

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large alphabetical labels. Patches This has been fixed in pypdf==6.19.0. Workarounds If you cannot upgrade yet, consider applying the...

PT-2026-105537

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large Roman numerals. Patches This has been fixed in pypdf==6.17.0. Workarounds If you cannot upgrade yet, consider applying the chang...

CVE-2026-102993

A flaw was found in pypdf. An attacker can provide a specially crafted PDF document containing unusually large Roman numeral page labels. When an application retrieves these page labels, the library generates excessively large numeral strings, resulting in substantial memory consumption and a...

UBUNTU-CVE-2026-102993

pypdf is a free and open-source pure-python PDF library. Prior to 6.17.0, a crafted PDF can provide unusually large Roman page-label values that cause pypdf/pagelabels.py to generate excessively large numeral strings when an application retrieves document page labels, consuming large amounts of...

CVE-2026-102993

pypdf is a free and open-source pure-python PDF library. Prior to 6.17.0, a crafted PDF can provide unusually large Roman page-label values that cause pypdf/pagelabels.py to generate excessively large numeral strings when an application retrieves document page labels, consuming large amounts of...

CVE-2026-102993 pypdf: Possible large memory usage when retrieving Roman page labels

pypdf is a free and open-source pure-python PDF library. Prior to 6.17.0, a crafted PDF can provide unusually large Roman page-label values that cause pypdf/pagelabels.py to generate excessively large numeral strings when an application retrieves document page labels, consuming large amounts of...

CVE-2026-102993

The pypdf pure-python PDF library is vulnerable to excessive memory consumption in versions prior to 6.17.0 . A crafted PDF can provide unusually large Roman page-label values, causing pypdf/_page_labels.py to generate excessively large numeral strings. This occurs when an application retrieves d...

CVE-2026-102993 pypdf: Possible large memory usage when retrieving Roman page labels

pypdf is a free and open-source pure-python PDF library. Prior to 6.17.0, a crafted PDF can provide unusually large Roman page-label values that cause pypdf/pagelabels.py to generate excessively large numeral strings when an application retrieves document page labels, consuming large amounts of...

CVE-2026-102993 pypdf: Possible large memory usage when retrieving Roman page labels

pypdf is a free and open-source pure-python PDF library. Prior to 6.17.0, a crafted PDF can provide unusually large Roman page-label values that cause pypdf/pagelabels.py to generate excessively large numeral strings when an application retrieves document page labels, consuming large amounts of...