CVE-2016-7977

Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently read arbitrary files via the use of the .libfile operator in a crafted postscript document.

• CWE-200

• http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=8abd22010eb4db0fb1b10e430d5f5d83e015ef70
• http://rhn.redhat.com/errata/RHSA-2017-0013.html
• http://rhn.redhat.com/errata/RHSA-2017-0014.html
• http://www.debian.org/security/2016/dsa-3691
• http://www.openwall.com/lists/oss-security/2016/09/29/28Mailing List, Patch
• http://www.openwall.com/lists/oss-security/2016/10/05/15Mailing List, Patch
• http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
• http://www.securityfocus.com/bid/95334Third Party Advisory, VDB Entry
• https://bugs.ghostscript.com/show_bug.cgi?id=697169Issue Tracking, Patch
• https://ghostscript.com/doc/9.21/History9.htmRelease Notes
• https://security.gentoo.org/glsa/201702-31
• http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=8abd22010eb4db0fb1b10e430d5f5d83e015ef70
• http://rhn.redhat.com/errata/RHSA-2017-0013.html
• http://rhn.redhat.com/errata/RHSA-2017-0014.html
• http://www.debian.org/security/2016/dsa-3691
• http://www.openwall.com/lists/oss-security/2016/09/29/28Mailing List, Patch
• http://www.openwall.com/lists/oss-security/2016/10/05/15Mailing List, Patch
• http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
• http://www.securityfocus.com/bid/95334Third Party Advisory, VDB Entry
• https://bugs.ghostscript.com/show_bug.cgi?id=697169Issue Tracking, Patch
• https://ghostscript.com/doc/9.21/History9.htmRelease Notes
• https://security.gentoo.org/glsa/201702-31

Published

May 23, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2016-7971Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
• CVE-2016-7972The check_allocations function in libass/ass_shaper.c in lib…
• CVE-2016-7973The AppleTalk parser in tcpdump before 4.9.0 has a buffer ov…
• CVE-2016-7974The IP parser in tcpdump before 4.9.0 has a buffer overflow …
• CVE-2016-7975The TCP parser in tcpdump before 4.9.0 has a buffer overflow…
• CVE-2016-7976The PS Interpreter in Ghostscript 9.18 and 9.20 allows remot…
• CVE-2016-7978Use-after-free vulnerability in Ghostscript 9.20 might allow…
• CVE-2016-7979Ghostscript before 9.21 might allow remote attackers to bypa…
• CVE-2016-7980Cross-site request forgery (CSRF) vulnerability in ecrire/ex…
• CVE-2016-7981Cross-site scripting (XSS) vulnerability in valider_xml.php …
• CVE-2016-7982Directory traversal vulnerability in ecrire/exec/valider_xml…
• CVE-2016-7983The BOOTP parser in tcpdump before 4.9.0 has a buffer overfl…