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    CVE-2018-19477

    psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion.

    Published:Nov 20, 2018
    Last Modified:Nov 21, 2024
    EPS:Nov 23, 2018
    EPSS Score:0.0072
    CVSS Score:7.8

    Affected Products

    Vendor
    Artifex
    Product
    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 Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Tus
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Openshift Container Platform

    Exploits

    https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdfhttps://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf

    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=ef252e7dc214bcbd9a2539216aab9202848602bb
    http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119f559e03
    http://www.securityfocus.com/bid/106154
    https://access.redhat.com/errata/RHBA-2019:0327
    https://access.redhat.com/errata/RHSA-2019:0229
    https://bugs.ghostscript.com/show_bug.cgi?id=700168
    https://lists.debian.org/debian-lts-announce/2018/11/msg00036.html
    https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf
    https://usn.ubuntu.com/3831-1/
    https://www.debian.org/security/2018/dsa-4346
    https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26
    http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=ef252e7dc214bcbd9a2539216aab9202848602bb
    http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119f559e03
    http://www.securityfocus.com/bid/106154
    https://access.redhat.com/errata/RHBA-2019:0327
    https://access.redhat.com/errata/RHSA-2019:0229
    https://bugs.ghostscript.com/show_bug.cgi?id=700168
    https://lists.debian.org/debian-lts-announce/2018/11/msg00036.html
    https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf
    https://usn.ubuntu.com/3831-1/
    https://www.debian.org/security/2018/dsa-4346
    https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26

    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