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    CVE-2025-43718

    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).

    Published:Oct 1, 2025
    Last Modified:Apr 15, 2026
    EPS:Oct 1, 2025
    EPSS Score:0.00008
    CVSS Score:2.9

    Affected Products

    Vendor
    Poppler
    Product
    Poppler

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-674 Uncontrolled Recursion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads

    Related CVEs

    CVE-2025-52885 (CVSS 6.1) — Poppler ia a library for rendering PDF files, and examining or modifying their structure. A use-after-free (wr…
    CVE-2025-52886 (CVSS 5.5) — Poppler is a PDF rendering library. Versions prior to 25.06.0 use `std::atomic_int` for reference counting. Be…
    CVE-2024-56378 (CVSS 4.3) — libpoppler.so in Poppler through 24.12.0 has an out-of-bounds read vulnerability within the JBIG2Bitmap::combi…
    CVE-2010-3704 (CVSS 6.8) — The FoFiType1::parse function in fofi/FoFiType1.cc in the PDF parser in xpdf before 3.02pl5, poppler 0.8.7 and…
    CVE-2010-3703 (CVSS 4.3) — The PostScriptFunction::PostScriptFunction function in poppler/Function.cc in the PDF parser in poppler 0.8.7 …
    CVE-2009-3607 (CVSS 9.3) — Integer overflow in the create_surface_from_thumbnail_data function in glib/poppler-page.cc in Poppler 0.x all…
    CVE-2009-3606 (CVSS 9.3) — Integer overflow in the PSOutputDev::doImageL1Sep function in Xpdf before 3.02pl4, and Poppler 0.x, as used in…
    CVE-2009-3603 (CVSS 9.3) — Integer overflow in the SplashBitmap::SplashBitmap function in Xpdf 3.x before 3.02pl4 and Poppler before 0.12…
    CVE-2009-3608 (CVSS 9.3) — Integer overflow in the ObjectStream::ObjectStream function in XRef.cc in Xpdf 3.x before 3.02pl4 and Poppler …
    CVE-2009-3609 (CVSS 4.3) — Integer overflow in the ImageStream::ImageStream function in Stream.cc in Xpdf before 3.02pl4 and Poppler befo…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High