2457 matches found
pypdf: Possible long runtimes/large memory usage for large CID font width ranges
ImpactAn attacker who uses this vulnerability can craft a PDF which leads to long runtimes and large memory consumption. This requires parsing the font width entries of a font with unusually large values, for example during text extraction. PatchesThis has been fixed in pypdf==6.15.0. Workarounds...
PYSEC-2026-3656 pypdf: Possible long runtimes/large memory usage for large CID font width ranges
Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes and large memory consumption. This requires parsing the font width entries of a font with unusually large values, for example during text extraction. Patches This has been fixed in pypdf==6.15.0. Workaroun...
python-pillow: Pillow: Denial of Service via crafted BDF font file
A flaw was found in Pillow, a Python imaging library. This vulnerability allows a remote attacker to cause a Denial of Service DoS by providing a specially crafted BDF font file. The library's image processing function fails to properly validate dimensions from the font file, bypassing a critical...
CVE-2026-47249 Klever-Go KVM: Hash-array amplification in P2P resolver request handling
Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.18, the P2P resolver request handling logic is vulnerable to hash-array amplification. A connected peer can send a compressed RequestDataTypeHashArrayType direct request that is only 442 bytes on the wire but expan...
GHSA-FP3F-MC75-235C pypdf: Possible large memory usage for large /ToUnicode streams
Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires parsing the /ToUnicode entry of a font with unusually large values, for example during text extraction. Patches This has been fixed in pypdf==6.15.0. Workarounds If you cannot...
pypdf: Possible large memory usage for large /ToUnicode streams
Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires parsing the /ToUnicode entry of a font with unusually large values, for example during text extraction. Patches This has been fixed in pypdf==6.15.0. Workarounds If you cannot...
CVE-2026-71870 pypdf: Possible large memory usage for large /ToUnicode streams
pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause large memory consumption when pypdf/cmap.py function parsebfrange parses unusually large source-code or destination-string tokens in a font /ToUnicode CMap during text extraction. This issue is fixed...
CVE-2026-71870
pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause large memory consumption when pypdf/cmap.py function parsebfrange parses unusually large source-code or destination-string tokens in a font /ToUnicode CMap during text extraction. This issue is fixed...
CVE-2026-71870 pypdf: Possible large memory usage for large /ToUnicode streams
pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause large memory consumption when pypdf/cmap.py function parsebfrange parses unusually large source-code or destination-string tokens in a font /ToUnicode CMap during text extraction. This issue is fixed...
EUVD-2026-54615
pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause large memory consumption when pypdf/cmap.py function parsebfrange parses unusually large source-code or destination-string tokens in a font /ToUnicode CMap during text extraction. This issue is fixed...
CVE-2026-71870
CVE-2026-71870 (pypdf) : Prior to 6.15.0, a crafted PDF can trigger extremely large memory use during text extraction when the font /ToUnicode CMap is parsed by pypdf/_cmap.py in parse_bfrange. This is a local, low-complexity issue that could lead to resource exhaustion; the advisory fixes it in ...
CVE-2026-71852
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...
GHSA-FWG2-594C-JP42 pypdf: Possible long runtimes/large memory usage for large CID font width ranges
Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes and large memory consumption. This requires parsing the font width entries of a font with unusually large values, for example during text extraction. Patches This has been fixed in pypdf==6.15.0. Workaroun...
pypdf: Possible long runtimes/large memory usage for large CID font width ranges
Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes and large memory consumption. This requires parsing the font width entries of a font with unusually large values, for example during text extraction. Patches This has been fixed in pypdf==6.15.0. Workaroun...
EUVD-2026-54600
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...
CVE-2026-71852
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...
CVE-2026-71852
The CVE concerns the Python PDF library pypdf. Before version 6.15.0, text extraction can trigger unusually large CID font /W width ranges or excessive width entries in pypdf/_font.py:Font._collect_cid_character_widths, causing long runtimes and high memory usage. This is remedied in 6.15.0. The ...
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...
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...