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CVE-2017-11573

FontForge 20161012 is vulnerable to a buffer over-read in ValidatePostScriptFontName (parsettf.c)...

7.8 HighFix available

FontForge 20161012 is vulnerable to a buffer over-read in ValidatePostScriptFontName (parsettf.c) resulting in DoS or code execution via a crafted otf file.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.29%Up 0.6 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

FontForge 20161012 is vulnerable to a buffer over-read in ValidatePostScriptFontName (parsettf.c) resulting in DoS or code execution via a crafted otf file.

Record
CVE-2017-11573
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-125
Updated
2026-11-02
CVE List No score

FontForge 20161012 is vulnerable to a buffer over-read in ValidatePostScriptFontName (parsettf.c) resulting in DoS or code execution via a crafted otf file.

Record
CVE-2017-11573
Updated
2026-11-02
EUVDEUVD-2017-3188 No score

FontForge 20161012 is vulnerable to a buffer over-read in ValidatePostScriptFontName (parsettf.c) resulting in DoS or code execution via a crafted otf file.

Record
EUVD-2017-3188
Updated
2026-11-03
GitHub AdvisoriesGHSA-95mx-vpjp-57vh 7.8

FontForge 20161012 is vulnerable to a buffer over-read in ValidatePostScriptFontName (parsettf.c)...

FontForge 20161012 is vulnerable to a buffer over-read in ValidatePostScriptFontName (parsettf.c) resulting in DoS or code execution via a crafted otf file.

Record
GHSA-95mx-vpjp-57vh
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-125
Updated
2026-11-02
OSV 7.8

FontForge 20161012 is vulnerable to a buffer over-read in ValidatePostScriptFontName (parsettf.c) resulting in DoS or code execution via a crafted otf file.

Record
CVE-2017-11573
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-11573 7.8

FontForge 20161012 is vulnerable to a buffer over-read in ValidatePostScriptFontName (parsettf.c) resulting in DoS or code execution via a crafted otf file.

Record
DEBIAN-CVE-2017-11573
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-11573 7.8

FontForge 20161012 is vulnerable to a buffer over-read in ValidatePostScriptFontName (parsettf.c) resulting in DoS or code execution via a crafted otf file.

Record
UBUNTU-CVE-2017-11573
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVSUSE-SU-2019:2236-1 No score

Security update for fontforge

This update for fontforge fixes the following security issues:

fontforge was updated to 20170731, fixings lots of bugs and security issues.

  • CVE-2017-11568: Heap-based buffer over-read in PSCharStringToSplines (bsc#1050161)
  • CVE-2017-11569: Heap-based buffer over-read in readttfcopyrights (bsc#1050181)
  • CVE-2017-11571: Stack-based buffer overflow in addnibble (bsc#1050185)
  • CVE-2017-11572: Heap-based buffer over-read in readcfftopdicts (bsc#1050187)
  • CVE-2017-11573: Over-read in ValidatePostScriptFontName (bsc#1050193)
  • CVE-2017-11574: Heap-based buffer overflow in readcffset (bsc#1050194)
  • CVE-2017-11575: Buffer over-read in strnmatch (bsc#1050195)
  • CVE-2017-11576: Ensure a positive size in a weight vector memcpycall in readcfftopdict (bsc#1050196)
  • CVE-2017-11577: Buffer over-read in getsid (bsc#1050200)
Record
SUSE-SU-2019:2236-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
fontforge
Debian:12
 before 1:20190801~dfsg-2
1:20190801~dfsg-2
fontforge
Debian:13
 before 1:20190801~dfsg-2
1:20190801~dfsg-2
fontforge
Debian:14
 before 1:20190801~dfsg-2
1:20190801~dfsg-2
fontforge
SUSE:Linux Enterprise Software Development Kit 12 SP4
From an advisory covering 9 CVEs
 before 20170731-11.8.1
20170731-11.8.1
fontforge
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
20120731.b-520120731.b-5ubuntu120120731.b-7.120120731.b-7.1ubuntu0.120120731.b-7.1ubuntu0.1+esm1
 None known
fontforge
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
1:20161005~dfsg-4+deb9u1ubuntu11:20170731~dfsg-11:20170731~dfsg-1ubuntu0.1~esm1
 None known
fontforge
Ubuntu:20.04:LTS
 All versions, plus listed versions
1:20170731~dfsg-1build11:20170731~dfsg-21:20190801~dfsg-21:20190801~dfsg-2ubuntu11:20190801~dfsg-41:20190801~dfsg-4ubuntu0.1
 None known
fontforge
Ubuntu:22.04:LTS
 All versions, plus listed versions
1:20201107~dfsg-41:20201107~dfsg-4build11:20201107~dfsg-4+deb11u1build0.22.04.1
 None known
fontforge
Ubuntu:24.04:LTS
 All versions, plus listed versions
1:20230101~dfsg-1build11:20230101~dfsg-1build21:20230101~dfsg-1.11:20230101~dfsg-1.1build1
 None known
fontforge
Ubuntu:25.10
 All versions, plus listed versions
1:20230101~dfsg-4build11:20230101~dfsg-4build21:20230101~dfsg-71:20230101~dfsg-8
 None known
fontforge
Ubuntu:26.10
 All versions, plus listed versions
1:20230101~dfsg-8build11:20230101~dfsg-91:20251009+git20260808~dfsg-2
 None known
fontforge
Ubuntu:26.04:LTS
 All versions, plus listed versions
1:20230101~dfsg-81:20230101~dfsg-8build1
 None known

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-11573 is a high vulnerability (CVSS 7.8) in Fontforge, published July 23, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.29%, the 70th percentile. Fixed in fontforge 1:20190801~dfsg-2.

References

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