CVE-2018-15911
In Artifex Ghostscript 9.23 before 2018-08-24, attackers able to supply crafted PostScript could use uninitialized memory access in the aesdecode operator to crash the interpreter or potentially execute code.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Artifex Ghostscript 9.23 before 2018-08-24, attackers able to supply crafted PostScript could use uninitialized memory access in the aesdecode operator to crash the interpreter or potentially execute code.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 3.04% probability · 87th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-908
- Affected
- debian/debian linux · canonical/ubuntu linux · artifex/ghostscript · artifex/gpl ghostscript · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation · pulsesecure/pulse connect secure
- Source
- cve@mitre.org
EPSS moved from 5.2% on 21 September 2026 to 3.0% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8e9ce5016db968b40e4ec255a3005f2786cce45f
- http://www.securityfocus.com/bid/105122Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3834Third Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=699665Permissions Required, Vendor Advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00015.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201811-12Third Party Advisory
- https://support.f5.com/csp/article/K22141757?utm_source=f5support&%3Butm_medium=RSS
- https://usn.ubuntu.com/3768-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4288Third Party Advisory
- https://www.kb.cert.org/vuls/id/332928Patch, Third Party Advisory, US Government Resource
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8e9ce5016db968b40e4ec255a3005f2786cce45f
- http://www.securityfocus.com/bid/105122Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3834Third Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=699665Permissions Required, Vendor Advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00015.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201811-12Third Party Advisory
- https://support.f5.com/csp/article/K22141757?utm_source=f5support&%3Butm_medium=RSS
- https://usn.ubuntu.com/3768-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4288Third Party Advisory
- https://www.kb.cert.org/vuls/id/332928Patch, Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.