CVE-2026-102996

A flaw was found in pypdf. This vulnerability allows an attacker to cause a Denial of Service DoS by providing a specially crafted PDF document with an oversized font character width array. When processing the document during operations such as text extraction, the library allocates excessive...

CVE-2026-71852 pypdf: Possible long runtimes/large memory usage for large CID font width ranges

pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause long runtimes and large memory consumption when pypdf/font.py function Font.collectcidcharacterwidths expands unusually large CID font /W width ranges or excessive width entries during text extractio...

Panic due to improper UTF-8 indexing

When parsing untrusted rulex expressions, rulex may panic, possibly enabling a Denial of Service attack. This happens when the expression contains a multi- byte UTF-8 code point in a string literal or after a backslash, because rulex tries to slice into the code point and panics as a result. The...

RUSTSEC-2022-0031 Panic due to improper UTF-8 indexing

When parsing untrusted rulex expressions, rulex may panic, possibly enabling a Denial of Service attack. This happens when the expression contains a multi- byte UTF-8 code point in a string literal or after a backslash, because rulex tries to slice into the code point and panics as a result. The...