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Fencer Vulns
critical 9.3

CVE-2009-3743 json

Off-by-one error in the Ins_MINDEX function in the TrueType bytecode interpreter in Ghostscript before 8.71 allows remote attackers to exec…

published 2010-08-26 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3715

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.8%
EPSS 6.8% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Off-by-one error in the Ins_MINDEX function in the TrueType bytecode interpreter in Ghostscript before 8.71 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a malformed TrueType font in a document that trigger an integer overflow and a heap-based buffer overflow.

Patch / fix

  • ghostscript Debian 14, Debian 13, Debian 12 8.71~dfsg-1

debian advisories DEBIAN-CVE-2009-3743

  • ghostscript RHEL 5 8.70-6.el5_7.6
  • ghostscript RHEL 6 8.70-11.el6_2.6
  • ghostscript-gtk RHEL 5 8.70-6.el5_7.6
  • ghostscript-gtk RHEL 6 8.70-11.el6_2.6

red hat advisories RHSA-2012:0095

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-2009-3743 updated cvss 4.3

ghostscript: TrueType bytecode intepreter integer overflow or wraparound

  • Red Hat Enterprise Linux (v. 5 server) ghostscript 8.70-6.el5_7.6, ghostscript-gtk 8.70-6.el5_7.6 Red Hat Enterprise Linux Desktop (v. 5 client) ghostscript 8.70-6.el5_7.6, ghostscript-gtk 8.70-6.el5_7.6 Red Hat Enterprise Linux Desktop (v. 6) ghostscript 8.70-11.el6_2.6 Red Hat Enterprise Linux Desktop Optional (v. 6) ghostscript 8.70-11.el6_2.6, ghostscript-gtk 8.70-11.el6_2.6 Red Hat Enterprise Linux HPC Node (v. 6) ghostscript 8.70-11.el6_2.6 Red Hat Enterprise Linux HPC Node Optional (v. 6) ghostscript 8.70-11.el6_2.6, ghostscript-gtk 8.70-11.el6_2.6
    +5 more products
    Red Hat Enterprise Linux Server (v. 6) ghostscript 8.70-11.el6_2.6 Red Hat Enterprise Linux Server Optional (v. 6) ghostscript 8.70-11.el6_2.6, ghostscript-gtk 8.70-11.el6_2.6 Red Hat Enterprise Linux Workstation (v. 6) ghostscript 8.70-11.el6_2.6 Red Hat Enterprise Linux Workstation Optional (v. 6) ghostscript 8.70-11.el6_2.6, ghostscript-gtk 8.70-11.el6_2.6 Red Hat RHEL Desktop Workstation (v. 5 client) ghostscript 8.70-6.el5_7.6
    fixed: vendor fix RHSA-2012:0095
  • Red Hat Enterprise Linux 4 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

6.75% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

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.