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    CVE-2026-107705

    Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash() that allows attackers controlling the password to overwrite stack memory when opening AESV3/R6 encrypted PDFs. Attackers can supply a password longer than 127 bytes through applications using the libpoppler, libpoppler-glib or C++ API to overflow the K1 and E buffers, crashing the process or corrupting memory.

    Published:Oct 8, 2026
    Last Modified:Oct 14, 2026
    EPS:Oct 8, 2026
    EPSS Score:0.00328
    CVSS Score:6.5

    Affected Products

    Vendor
    Freedesktop
    Product
    Poppler

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-102620 (CVSS 1.9) — A vulnerability was determined in Freedesktop Poppler 26.06.0/26.07.0/26.08.0. This impacts the function FoFiT…
    CVE-2026-93314 (CVSS 2.1) — A vulnerability was determined in Freedesktop Poppler 26.07.0. This affects the function FoFiTrueType::mapCode…
    CVE-2026-93313 (CVSS 2.1) — A vulnerability was found in Freedesktop Poppler 26.07.0. The impacted element is the function JBIG2Stream::re…
    CVE-2026-93312 (CVSS 2.1) — A flaw has been found in Freedesktop Poppler 26.07.0. Impacted is the function JBIG2Stream::rewind of the file…
    CVE-2026-93311 (CVSS 2.1) — A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::…
    CVE-2025-50422 (CVSS 2.9) — Cairo through 1.18.4, as used in Poppler through 25.08.0, has an "unscaled->face == NULL" assertion failure fo…
    CVE-2025-50420 (CVSS 6.5) — An issue in the pdfseparate utility of freedesktop poppler v25.04.0 allows attackers to cause an infinite recu…
    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-2025-43903 (CVSS 4.3) — NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents,…

    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
    CVE-2026-107705 — Freedesktop (High 8.3) | CVE-DB