CVE-2025-43718
Low
Description
Poppler 24.06.1 through 25.x before 25.04.0 allows stack consumption and a SIGSEGV via deeply nested structures within the metadata (such as GTS_PDFEVersion) of a PDF document, e.g., a regular expression for a long pdfsubver string. This occurs in Dict::lookup, Catalog::getMetadata, and associated functions in PDFDoc, with deep recursion in the regex executor (std::__detail::_Executor).
SeverityLow
CVSS2.9
Exploit probability—
ProductPoppler
PublishedOct 1, 2025
First seenOct 1, 2025
Weakness typeCWE-674CWE-674
How to fix
Update
- freedesktop Poppler25.04.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| freedesktop Poppler | 24.06.1 ≤ v < 25.04.0 | 25.04.0 |
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