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    CVE-2020-24996

    There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

    Published:Sep 3, 2020
    Last Modified:Nov 21, 2024
    EPS:Sep 3, 2020
    EPSS Score:0.00239
    CVSS Score:7.8

    Affected Products

    Vendor
    Xpdfreader
    Product
    Xpdf

    Exploits

    https://forum.xpdfreader.com/viewtopic.php?f=3&t=42028https://forum.xpdfreader.com/viewtopic.php?f=3&t=42028

    Common Weakness Enumeration

    CWE-665 Improper Initialization

    Related CVEs

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    CVE-2024-7866 (CVSS 2.1) — In Xpdf 4.05 (and earlier), a PDF object loop in a pattern resource leads to infinite recursion and a stack ov…
    CVE-2024-4976 (CVSS 2.1) — Out-of-bounds array write in Xpdf 4.05 and earlier, due to missing object type check in AcroForm field referen…
    CVE-2024-4568 (CVSS 2.9) — In Xpdf 4.05 (and earlier), a PDF object loop in the PDF resources leads to infinite recursion and a stack ove…
    CVE-2024-4141 (CVSS 2.9) — Out-of-bounds array write in Xpdf 4.05 and earlier, triggered by an invalid character code in a Type 1 font. T…
    CVE-2024-3900 (CVSS 2.9) — Out-of-bounds array write in Xpdf 4.05 and earlier, triggered by long Unicode sequence in ActualText. …
    CVE-2024-3247 (CVSS 2.9) — In Xpdf 4.05 (and earlier), a PDF object loop in an object stream leads to infinite recursion and a stack over…
    CVE-2024-3248 (CVSS 2.9) — In Xpdf 4.05 (and earlier), a PDF object loop in the attachments leads to infinite recursion and a stack overf…
    CVE-2024-2971 (CVSS 2.9) — Out-of-bounds array write in Xpdf 4.05 and earlier, triggered by negative object number in indirect reference …

    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