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    CVE-2020-5496

    FontForge 20190801 has a heap-based buffer overflow in the Type2NotDefSplines() function in splinesave.c.

    Published:Jan 3, 2020
    Last Modified:Nov 21, 2024
    EPS:Jan 3, 2020
    EPSS Score:0.00204
    CVSS Score:8.8

    Affected Products

    Vendor
    Fontforge
    Product
    Fontforge
    Vendor
    Opensuse
    Product
    Leap

    Exploits

    https://github.com/fontforge/fontforge/issues/4085https://github.com/fontforge/fontforge/issues/4085

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

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    CVE-2025-15277 (CVSS 7.8) — FontForge GUtils SGI File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnera…
    CVE-2025-15276 (CVSS 7.8) — FontForge SFD File Parsing Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnera…
    CVE-2025-15280 (CVSS 8.8) — FontForge SFD File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remot…
    CVE-2025-15275 (CVSS 8.8) — FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability …
    CVE-2025-15274 (CVSS 8.8) — FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability …
    CVE-2025-15273 (CVSS 8.8) — FontForge PFB File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability…
    CVE-2025-15272 (CVSS 8.8) — FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability …
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    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