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    CVE-2018-16509

    An issue was discovered in Artifex Ghostscript before 9.24. Incorrect "restoration of privilege" checking during handling of /invalidaccess exceptions could be used by attackers able to supply crafted PostScript to execute code using the "pipe" instruction.

    Published:Aug 21, 2018
    Last Modified:Nov 21, 2024
    EPS:Sep 5, 2018
    EPSS Score:0.92401
    CVSS Score:7.8

    Affected Products

    Vendor
    Artifex
    Product
    Ghostscript
    Vendor
    Artifex
    Product
    Gpl Ghostscript
    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Server Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation

    Exploits

    http://seclists.org/oss-sec/2018/q3/142https://www.exploit-db.com/exploits/45369/http://seclists.org/oss-sec/2018/q3/142https://www.exploit-db.com/exploits/45369/https://www.exploit-db.com/exploits/45369https://github.com/cved-sources/cve-2018-16509https://github.com/farisv/PIL-RCE-Ghostscript-CVE-2018-16509https://github.com/knqyf263/CVE-2018-16509https://github.com/rhpco/CVE-2018-16509

    Common Weakness Enumeration

    No CWE recorded yet

    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…

    References

    http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=5516c614dc33662a2afdc377159f70218e67bde5
    http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=78911a01b67d590b4a91afac2e8417360b934156
    http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=79cccf641486a6595c43f1de1cd7ade696020a31
    http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=520bb0ea7519aa3e79db78aaf0589dae02103764
    http://seclists.org/oss-sec/2018/q3/142
    http://www.securityfocus.com/bid/105122
    https://access.redhat.com/errata/RHSA-2018:2918
    https://access.redhat.com/errata/RHSA-2018:3760
    https://bugs.ghostscript.com/show_bug.cgi?id=699654
    https://lists.debian.org/debian-lts-announce/2018/09/msg00015.html
    https://security.gentoo.org/glsa/201811-12
    https://usn.ubuntu.com/3768-1/
    https://www.artifex.com/news/ghostscript-security-resolved/
    https://www.debian.org/security/2018/dsa-4294
    https://www.exploit-db.com/exploits/45369/
    http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=5516c614dc33662a2afdc377159f70218e67bde5
    http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=78911a01b67d590b4a91afac2e8417360b934156
    http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=79cccf641486a6595c43f1de1cd7ade696020a31
    http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=520bb0ea7519aa3e79db78aaf0589dae02103764
    http://seclists.org/oss-sec/2018/q3/142
    http://www.securityfocus.com/bid/105122
    https://access.redhat.com/errata/RHSA-2018:2918
    https://access.redhat.com/errata/RHSA-2018:3760
    https://bugs.ghostscript.com/show_bug.cgi?id=699654
    https://lists.debian.org/debian-lts-announce/2018/09/msg00015.html
    https://security.gentoo.org/glsa/201811-12
    https://usn.ubuntu.com/3768-1/
    https://www.artifex.com/news/ghostscript-security-resolved/
    https://www.debian.org/security/2018/dsa-4294
    https://www.exploit-db.com/exploits/45369/

    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