CVE-2016-7979

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-05-23 · updated 2026-06-17
Weakness: CWE-704

Description

Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently execute arbitrary code by leveraging type confusion in .initialize_dsc_parser.

Affected products

Artifex Ghostscript: through 9.20

References

http://git.ghostscript.com/?p=ghostpdl.git%3Bh=875a0095f37626a721c7ff57d606a0f95af03913
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/2016/10/05/15
http://www.securityfocus.com/bid/95337
https://bugs.ghostscript.com/show_bug.cgi?id=697190
https://security.gentoo.org/glsa/201702-31
http://git.ghostscript.com/?p=ghostpdl.git%3Bh=875a0095f37626a721c7ff57d606a0f95af03913
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

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