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Fencer Vulns
medium 5.5

CVE-2020-14373 json

A use after free was found in igc_reloc_struct_ptr() of psi/igc.c of ghostscript-9.25.

published 2020-09-03 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6513

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

A use after free was found in igc_reloc_struct_ptr() of psi/igc.c of ghostscript-9.25. A local attacker could supply a specially crafted PDF file to cause a denial of service.

Patch / fix

  • ghostscript Debian 14, Debian 13, Debian 12 9.26~dfsg-1

debian advisories DEBIAN-CVE-2020-14373

  • ghostscript RHEL 8 9.27-1.el8
  • libgs RHEL 8 9.27-1.el8
  • ghostscript-x11 RHEL 8 9.27-1.el8
  • ghostscript-tools-fonts RHEL 8 9.27-1.el8
  • ghostscript-tools-dvipdf RHEL 8 9.27-1.el8
  • ghostscript-tools-printing RHEL 8 9.27-1.el8

red hat advisories RHSA-2021:1852

  • ghostscript AlmaLinux 8 9.27-1.el8
  • libgs AlmaLinux 8 9.27-1.el8
  • ghostscript-x11 AlmaLinux 8 9.27-1.el8
  • ghostscript-tools-fonts AlmaLinux 8 9.27-1.el8
  • ghostscript-tools-dvipdf AlmaLinux 8 9.27-1.el8
  • ghostscript-tools-printing AlmaLinux 8 9.27-1.el8

almalinux advisories ALSA-2021:1852

  • ghostscript Rocky Linux 8 9.27-1.el8
  • ghostscript Rocky Linux 8 9.27-11.el8

rocky linux advisories RLSA-2021:1852

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-14373 updated cvss 5.5

ghostscript: use-after-free vulnerability in igc_reloc_struct_ptr() could result in DoS

  • Red Hat Enterprise Linux 5 ghostscript Red Hat Enterprise Linux 6 ghostscript, ghostscript-gtk
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 libgs, ghostscript, ghostscript-gtk, ghostscript-cups
    affected: no fix planned “Will not fix”
  • Red Hat CodeReady Linux Builder (v. 8) ghostscript-tools-fonts 9.27-1.el8, ghostscript-tools-dvipdf 9.27-1.el8, ghostscript-tools-printing 9.27-1.el8 Red Hat Enterprise Linux AppStream (v. 8) libgs 9.27-1.el8, ghostscript 9.27-1.el8, ghostscript-x11 9.27-1.el8
    fixed: vendor fix RHSA-2021:1852
  • Red Hat 3scale API Management Platform 2 ghostscript
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.ghostscript.com https://bugs.ghostscript.com/show_bug.cgi?id=702851 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a ghostscript

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.