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    CVE-2020-21890

    Buffer Overflow vulnerability in clj_media_size function in devices/gdevclj.c in Artifex Ghostscript 9.50 allows remote attackers to cause a denial of service or other unspecified impact(s) via opening of crafted PDF document.

    Published:Aug 22, 2023
    Last Modified:Nov 21, 2024
    EPS:Aug 22, 2023
    EPSS Score:0.00632
    CVSS Score:7.8

    Affected Products

    Vendor
    Artifex
    Product
    Ghostscript

    Exploits

    https://bugs.ghostscript.com/show_bug.cgi?id=701846https://bugs.ghostscript.com/show_bug.cgi?id=701846

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-59800 (CVSS 4.3) — In Artifex Ghostscript through 10.05.1, ocr_begin_page in devices/gdevpdfocr.c has an integer overflow that le…
    CVE-2025-59799 (CVSS 4.3) — Artifex Ghostscript through 10.05.1 has a stack-based buffer overflow in pdfmark_coerce_dest in devices/vector…
    CVE-2025-59798 (CVSS 4.3) — Artifex Ghostscript through 10.05.1 has a stack-based buffer overflow in pdf_write_cmap in devices/vector/gdev…
    CVE-2025-48708 (CVSS 4) — gs_lib_ctx_stash_sanitized_arg in base/gslibctx.c in Artifex Ghostscript before 10.05.1 lacks argument sanitiz…
    CVE-2025-46646 (CVSS 4.5) — In Artifex Ghostscript before 10.05.0, decode_utf8 in base/gp_utf8.c mishandles overlong UTF-8 encoding. NOTE:…
    CVE-2025-27832 (CVSS 9.8) — An issue was discovered in Artifex Ghostscript before 10.05.0. The NPDL device has a Compression buffer overfl…
    CVE-2025-27834 (CVSS 7.8) — An issue was discovered in Artifex Ghostscript before 10.05.0. A buffer overflow occurs via an oversized Type …
    CVE-2025-27836 (CVSS 9.8) — An issue was discovered in Artifex Ghostscript before 10.05.0. The BJ10V device has a Print buffer overflow in…
    CVE-2025-27830 (CVSS 7.8) — An issue was discovered in Artifex Ghostscript before 10.05.0. A buffer overflow occurs during serialization o…
    CVE-2025-27833 (CVSS 7.8) — An issue was discovered in Artifex Ghostscript before 10.05.0. A buffer overflow occurs for a long TTF font na…

    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