Vulnerability · Published Oct 1, 2025 · Assigned by mitre
CVE-2025-43718
Low 2.9
In plain English
A low-severity security flaw in Poppler from freedesktop. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | poppler | 22.12.0-2+deb12u2 | DEBIAN-CVE-2025-43718 |
| Debian:13 | poppler | 25.03.0-5+deb13u3 | DEBIAN-CVE-2025-43718 |
| Debian:14 | poppler | 25.03.0-10 | DEBIAN-CVE-2025-43718 |
| Ubuntu:22.04:LTS | poppler | 22.02.0-2ubuntu0.11 | USN-7803-1 |
| Ubuntu:22.04:LTS | poppler | 22.02.0-2ubuntu0.11 | UBUNTU-CVE-2025-43718 |
| Ubuntu:24.04:LTS | poppler | 24.02.0-1ubuntu9.7 | UBUNTU-CVE-2025-43718 |
| Ubuntu:24.04:LTS | poppler | 24.02.0-1ubuntu9.7 | USN-7803-1 |
| Ubuntu:25.10 | poppler | 25.03.0-10 | UBUNTU-CVE-2025-43718 |
| Ubuntu:26.04:LTS | poppler | 25.03.0-10 | UBUNTU-CVE-2025-43718 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| freedesktop | Poppler | 24.06.1 – before 25.04.0 |
Weakness: CWE-674 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L