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CVE-2020-5395

FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c.

8.8 HighFix available

FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.48%Up 1.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c.

Record
CVE-2020-5395
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/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-416
Updated
2026-11-02
CVE List No score

FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c.

Record
CVE-2020-5395
Updated
2026-11-02
EUVDEUVD-2020-26576 No score

FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c.

Record
EUVD-2020-26576
Updated
2026-11-03
GitHub AdvisoriesGHSA-hjq7-xwrq-jpwv 8.8

FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c.

FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c.

Record
GHSA-hjq7-xwrq-jpwv
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-416
Updated
2026-11-02
OSV 8.8

FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c.

Record
CVE-2020-5395
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-5395 8.8

FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c.

Record
DEBIAN-CVE-2020-5395
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 11 moreShow less
OSVRHSA-2020:1921 8.8

Red Hat Security Advisory: fontforge security update

Record
RHSA-2020:1921
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2020:3966 8.8

Red Hat Security Advisory: fontforge security update

Record
RHSA-2020:3966
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-5395 8.8

FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c.

Record
UBUNTU-CVE-2020-5395
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVALSA-2020:4844 No score

Moderate: fontforge security update

FontForge is a font editor for outline and bitmap fonts. It supports a range of font formats, including PostScript (ASCII and binary Type 1, some Type 3 and Type 0), TrueType, OpenType (Type2) and CID-keyed fonts.

Security Fix(es):

  • fontforge: SFD_GetFontMetaData() insufficient CVE-2020-5395 backport (CVE-2020-25690)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Record
ALSA-2020:4844
Updated
2026-11-02
OSVMGASA-2020-0057 No score

Updated fontforge packages fix security vulnerabilities

FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c (CVE-2020-5395)

FontForge 20190801 has a heap-based buffer overflow in the Type2NotDefSplines() function in splinesave.c (CVE-2020-5496)

Record
MGASA-2020-0057
Updated
2026-11-02
OSVopenSUSE-SU-2020:0089-1 No score

Security update for fontforge

This update for fontforge fixes the following issues:

  • CVE-2020-5395: Fixed a use-after-free in SFD_GetFontMetaData() (bsc#1160220).
  • CVE-2020-5496: Fixed a heap-based buffer overflow in Type2NotDefSplines() (bsc#1160236).

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2020:0089-1
Updated
2026-11-02
OSVopenSUSE-SU-2020:2111-1 No score

Security update for fontforge

This update for fontforge fixes the following issues:

  • fix for Use-after-free (heap) in the SFD_GetFontMetaData() function and the crash (bsc#1178308 CVE-2020-25690).

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2020:2111-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10763-1 No score

fontforge-20201107-1.6 on GA media

These are all security issues fixed in the fontforge-20201107-1.6 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10763-1
Updated
2026-11-02
OSVSUSE-SU-2020:0118-1 No score

Security update for fontforge

This update for fontforge fixes the following issues:

  • CVE-2020-5395: Fixed a use-after-free in SFD_GetFontMetaData() (bsc#1160220).
  • CVE-2020-5496: Fixed a heap-based buffer overflow in Type2NotDefSplines() (bsc#1160236).
Record
SUSE-SU-2020:0118-1
Updated
2026-11-02
OSVSUSE-SU-2020:0393-1 No score

Security update for fontforge

This update for fontforge fixes the following issues:

  • CVE-2020-5395: Fixed a use-after-free in SFD_GetFontMetaData() (bsc#1160220).
  • CVE-2020-5496: Fixed a heap-based buffer overflow in Type2NotDefSplines() (bsc#1160236).
Record
SUSE-SU-2020:0393-1
Updated
2026-11-02
OSVSUSE-SU-2020:3628-1 No score

Security update for fontforge

This update for fontforge fixes the following issues:

  • fix for Use-after-free (heap) in the SFD_GetFontMetaData() function and the crash (bsc#1178308 CVE-2020-25690).
Record
SUSE-SU-2020:3628-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
fontforge
AlmaLinux:8
 before 20170731-15.el8
20170731-15.el8
fontforge
Debian:12
 before 1:20201107~dfsg-1
1:20201107~dfsg-1
fontforge
Debian:13
 before 1:20201107~dfsg-1
1:20201107~dfsg-1
fontforge
Debian:14
 before 1:20201107~dfsg-1
1:20201107~dfsg-1
fontforge
Debian:10
 before 1:20170731~dfsg-1+deb10u1, plus listed versions
1:20170731~dfsg-1
1:20170731~dfsg-1+deb10u1
fontforge
Mageia:7
 before 20190413-1.1.mga7
20190413-1.1.mga7
fontforge
Red Hat:enterprise_linux:8::crb
 before 0:20170731-14.el8
0:20170731-14.el8
fontforge-debuginfo
Red Hat:enterprise_linux:8::crb
 before 0:20170731-14.el8
0:20170731-14.el8
fontforge-debugsource
Red Hat:enterprise_linux:8::crb
 before 0:20170731-14.el8
0:20170731-14.el8
fontforge
Red Hat:enterprise_linux:7::client
 before 0:20120731b-13.el7
0:20120731b-13.el7
Show 20 moreShow less
Affected packages
PackageAffectedFixed
fontforge-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:20120731b-13.el7
0:20120731b-13.el7
fontforge-devel
Red Hat:enterprise_linux:7::client
 before 0:20120731b-13.el7
0:20120731b-13.el7
fontforge
Red Hat:enterprise_linux:7::computenode
 before 0:20120731b-13.el7
0:20120731b-13.el7
fontforge-debuginfo
Red Hat:enterprise_linux:7::computenode
 before 0:20120731b-13.el7
0:20120731b-13.el7
fontforge-devel
Red Hat:enterprise_linux:7::computenode
 before 0:20120731b-13.el7
0:20120731b-13.el7
fontforge
Red Hat:enterprise_linux:7::server
 before 0:20120731b-13.el7
0:20120731b-13.el7
fontforge-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:20120731b-13.el7
0:20120731b-13.el7
fontforge-devel
Red Hat:enterprise_linux:7::server
 before 0:20120731b-13.el7
0:20120731b-13.el7
fontforge
Red Hat:enterprise_linux:7::workstation
 before 0:20120731b-13.el7
0:20120731b-13.el7
fontforge-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:20120731b-13.el7
0:20120731b-13.el7
fontforge-devel
Red Hat:enterprise_linux:7::workstation
 before 0:20120731b-13.el7
0:20120731b-13.el7
fontforge
SUSE:Linux Enterprise Software Development Kit 12 SP4
 before 20170731-11.11.1
20170731-11.11.1
fontforge
SUSE:Linux Enterprise Software Development Kit 12 SP5
 before 20170731-11.11.1
20170731-11.11.1
fontforge
SUSE:Linux Enterprise Software Development Kit 12 SP5
 before 20170731-11.14.1
20170731-11.14.1
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
openSUSE:Leap 15.1
 before 20170731-lp151.4.3.1
20170731-lp151.4.3.1
fontforge
openSUSE:Leap 15.1
 before 20170731-lp151.4.6.1
20170731-lp151.4.6.1
fontforge
openSUSE:Tumbleweed
 before 20201107-1.6
20201107-1.6

History

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

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

In short

CVE-2020-5395 is a high vulnerability (CVSS 8.8) in Fontforge, published January 3, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.48%, the 84th percentile. Fixed in fontforge 20170731-15.el8.

References

Show 31 moreShow less
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