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CVE-2020-36023

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause...

6.5 MediumFix available

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a denial of service (DoS) via crafted .pdf file to FoFiType1C::cvtGlyph function.

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
None
Integrity
None
Availability
High

Exploit likelihood

1.17%Up 1.1 points since Aug 12, 2023
90%50%10%1%

What each source reports

NVD Score used 6.5

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a denial of service (DoS) via crafted .pdf file to FoFiType1C::cvtGlyph function.

Record
CVE-2020-36023
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-835
Updated
2026-11-02
CVE List No score

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a denial of service (DoS) via crafted .pdf file to FoFiType1C::cvtGlyph function.

Record
CVE-2020-36023
Updated
2026-11-02
EUVDEUVD-2020-23606 No score

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a denial of service (DoS) via crafted .pdf file to FoFiType1C::cvtGlyph function.

Record
EUVD-2020-23606
Updated
2026-11-02
GitHub AdvisoriesGHSA-xrv4-xm8w-pm47 6.5

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause...

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a denial of service (DoS) via crafted .pdf file to FoFiType1C::cvtGlyph function.

Record
GHSA-xrv4-xm8w-pm47
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-835
Updated
2026-11-02
OSVBELL-CVE-2020-36023 6.5

CVE-2020-36023 does not affect BellSoft software

Record
BELL-CVE-2020-36023
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 6.5

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a denial of service (DoS) via crafted .pdf file to FoFiType1C::cvtGlyph function.

Record
CVE-2020-36023
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 8 moreShow less
OSVDEBIAN-CVE-2020-36023 6.5

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a denial of service (DoS) via crafted .pdf file to FoFiType1C::cvtGlyph function.

Record
DEBIAN-CVE-2020-36023
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-36023 6.5

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a denial of service (DoS) via crafted .pdf file to FoFiType1C::cvtGlyph function.

Record
UBUNTU-CVE-2020-36023
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2023-0262 No score

Updated poppler packages fix security vulnerability

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a denial of service (DoS) via crafted .pdf file to FoFiType1C::cvtGlyph function. (CVE-2020-36023)

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a denial of service (DoS) via crafted .pdf file to FoFiType1C::convertToType1 function. (CVE-2020-36024)

Record
MGASA-2023-0262
Updated
2026-11-02
OSVSUSE-SU-2023:4187-1 No score

Security update for poppler

This update for poppler fixes the following issues:

  • CVE-2019-13287: Fixed an out-of-bounds read vulnerability in the function SplashXPath:strokeAdjust. (bsc#1140745)
  • CVE-2018-18456: Fixed a stack-based buffer over-read via a crafted pdf file. (bsc#1112428)
  • CVE-2018-18454: Fixed heap-based buffer over-read) via a crafted pdf file. (bsc#1112424)
  • CVE-2020-36023: Fixed a stack bugger overflow in FoFiType1C:cvtGlyph. (bsc#1214256)
Record
SUSE-SU-2023:4187-1
Updated
2026-11-02
OSVSUSE-SU-2023:4362-1 No score

Security update for poppler

This update for poppler fixes the following issues:

  • CVE-2019-9545: Fixed a potential crash due to uncontrolled recursion in the JBIG parser (bsc#1128114).
  • CVE-2019-9631: Fixed an out of bounds read when converting a PDF to an image (bsc#1129202).
  • CVE-2022-37052: Fixed a reachable assertion when extracting pages of a PDf file (bsc#1214726).
  • CVE-2020-36023: Fixed a stack bugger overflow in FoFiType1C:cvtGlyph (bsc#1214256).
  • CVE-2019-13287: Fixed an out-of-bounds read vulnerability in the function SplashXPath:strokeAdjust (bsc#1140745).
  • CVE-2018-18456: Fixed a stack-based buffer over-read via a crafted pdf file (bsc#1112428).
  • CVE-2018-18454: Fixed heap-based buffer over-read via a crafted pdf file (bsc#1112424).
  • CVE-2019-14292: Fixed an out of bounds read in GfxState.cc (bsc#1143570).
  • CVE-2022-48545: Fixed an infinite recursion in Catalog::findDestInTree which can cause denial of service (bsc#1214723).
Record
SUSE-SU-2023:4362-1
Updated
2026-11-02
OSVSUSE-SU-2023:4546-1 No score

Security update for poppler

This update for poppler fixes the following issues:

  • CVE-2019-9545: Fixed a potential crash due to uncontrolled recursion in the JBIG parser (bsc#1128114).
  • CVE-2019-9631: Fixed an out of bounds read when converting a PDF to an image (bsc#1129202).
  • CVE-2022-37052: Fixed a reachable assertion when extracting pages of a PDf file (bsc#1214726).
  • CVE-2020-36023: Fixed a stack bugger overflow in FoFiType1C:cvtGlyph (bsc#1214256).
  • CVE-2019-14292: Fixed an out of bounds read in GfxState.cc (bsc#1143570).
  • CVE-2022-48545: Fixed an infinite recursion in Catalog::findDestInTree which can cause denial of service (bsc#1214723).
Record
SUSE-SU-2023:4546-1
Updated
2026-11-02
OSVSUSE-SU-2023:4562-1 No score

Security update for poppler

This update for poppler fixes the following issues:

  • CVE-2019-9545: Fixed an uncontrolled recursion issue that could cause a crash (bsc#1128114).
  • CVE-2022-37052: Fixed a crash that could be triggered when opening a crafted file (bsc#1214726).
  • CVE-2020-36023: Fixed a stack bugger overflow in FoFiType1C:cvtGlyph (bsc#1214256).
Record
SUSE-SU-2023:4562-1
Updated
2026-11-02
OSVUSN-6299-1 No score

poppler vulnerabilities

It was discovered that poppler incorrectly handled certain malformed PDF files. If a user or an automated system were tricked into opening a specially crafted PDF file, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2020-36023, CVE-2020-36024)

Record
USN-6299-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
poppler
Debian:12
 before 22.08.0-2
22.08.0-2
poppler
Debian:13
 before 22.08.0-2
22.08.0-2
poppler
Debian:14
 before 22.08.0-2
22.08.0-2
poppler
Debian:10
From an advisory covering 2 CVEs
 before 0.71.0-5+deb10u2, plus listed versions
0.71.0-50.71.0-5+deb10u1
0.71.0-5+deb10u2
poppler
Debian:11
From an advisory covering 9 CVEs
 before 20.09.0-3.1+deb11u2, plus listed versions
20.09.0-3.120.09.0-3.1+deb11u1
20.09.0-3.1+deb11u2
poppler
Mageia:8
From an advisory covering 2 CVEs
 before 20.12.1-1.4.mga8
20.12.1-1.4.mga8
poppler
openSUSE:Leap 15.4
From an advisory covering 4 CVEs
 before 0.62.0-150000.4.28.2
0.62.0-150000.4.28.2
poppler
SUSE:Linux Enterprise Software Development Kit 12 SP5
From an advisory covering 9 CVEs
 before 0.43.0-16.40.1
0.43.0-16.40.1
poppler-qt
SUSE:Linux Enterprise Software Development Kit 12 SP5
From an advisory covering 9 CVEs
 before 0.43.0-16.40.1
0.43.0-16.40.1
poppler
SUSE:Linux Enterprise Server 12 SP5
From an advisory covering 9 CVEs
 before 0.43.0-16.40.1
0.43.0-16.40.1
Show 15 moreShow less
Affected packages
PackageAffectedFixed
poppler-qt
SUSE:Linux Enterprise Server 12 SP5
From an advisory covering 9 CVEs
 before 0.43.0-16.40.1
0.43.0-16.40.1
poppler
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
From an advisory covering 9 CVEs
 before 0.43.0-16.40.1
0.43.0-16.40.1
poppler-qt
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
From an advisory covering 9 CVEs
 before 0.43.0-16.40.1
0.43.0-16.40.1
poppler
SUSE:Linux Enterprise Software Development Kit 12 SP5
From an advisory covering 6 CVEs
 before 0.24.4-14.41.1
0.24.4-14.41.1
poppler
SUSE:Linux Enterprise Module for Basesystem 15 SP4
From an advisory covering 3 CVEs
 before 0.79.0-150200.3.26.1
0.79.0-150200.3.26.1
poppler
SUSE:Linux Enterprise Module for Basesystem 15 SP5
From an advisory covering 3 CVEs
 before 0.79.0-150200.3.26.1
0.79.0-150200.3.26.1
poppler
SUSE:Manager Proxy 4.2
From an advisory covering 3 CVEs
 before 0.79.0-150200.3.26.1
0.79.0-150200.3.26.1
poppler
SUSE:Manager Server 4.2
From an advisory covering 3 CVEs
 before 0.79.0-150200.3.26.1
0.79.0-150200.3.26.1
poppler
openSUSE:Leap 15.4
From an advisory covering 3 CVEs
 before 0.79.0-150200.3.26.1
0.79.0-150200.3.26.1
poppler
Ubuntu:Pro:16.04:LTS
 before 0.41.0-0ubuntu1.16+esm3, plus listed versions
0.33.0-0ubuntu30.37.0-0ubuntu10.38.0-0ubuntu10.41.0-0ubuntu10.41.0-0ubuntu1.1
Show 17 moreShow less
0.41.0-0ubuntu1.20.41.0-0ubuntu1.30.41.0-0ubuntu1.40.41.0-0ubuntu1.50.41.0-0ubuntu1.60.41.0-0ubuntu1.70.41.0-0ubuntu1.80.41.0-0ubuntu1.90.41.0-0ubuntu1.100.41.0-0ubuntu1.110.41.0-0ubuntu1.120.41.0-0ubuntu1.130.41.0-0ubuntu1.140.41.0-0ubuntu1.150.41.0-0ubuntu1.160.41.0-0ubuntu1.16+esm10.41.0-0ubuntu1.16+esm2
0.41.0-0ubuntu1.16+esm3
poppler
Ubuntu:Pro:18.04:LTS
 before 0.62.0-2ubuntu2.14+esm1, plus listed versions
0.57.0-2ubuntu40.57.0-2ubuntu50.62.0-1ubuntu10.62.0-2ubuntu10.62.0-2ubuntu2
Show 13 moreShow less
0.62.0-2ubuntu2.10.62.0-2ubuntu2.20.62.0-2ubuntu2.40.62.0-2ubuntu2.50.62.0-2ubuntu2.60.62.0-2ubuntu2.70.62.0-2ubuntu2.80.62.0-2ubuntu2.90.62.0-2ubuntu2.100.62.0-2ubuntu2.110.62.0-2ubuntu2.120.62.0-2ubuntu2.130.62.0-2ubuntu2.14
0.62.0-2ubuntu2.14+esm1
poppler
Ubuntu:20.04:LTS
 before 0.86.1-0ubuntu1.3, plus listed versions
0.80.0-0ubuntu10.80.0-0ubuntu30.80.0-0ubuntu40.80.0-0ubuntu50.85.0-1ubuntu1
Show 4 moreShow less
0.85.0-1ubuntu30.86.1-0ubuntu10.86.1-0ubuntu1.10.86.1-0ubuntu1.2
0.86.1-0ubuntu1.3
poppler
Ubuntu:Pro:16.04:LTS
From an advisory covering 2 CVEs
 before 0.41.0-0ubuntu1.16+esm3, plus listed versions
0.33.0-0ubuntu30.37.0-0ubuntu10.38.0-0ubuntu10.41.0-0ubuntu10.41.0-0ubuntu1.1
Show 17 moreShow less
0.41.0-0ubuntu1.20.41.0-0ubuntu1.30.41.0-0ubuntu1.40.41.0-0ubuntu1.50.41.0-0ubuntu1.60.41.0-0ubuntu1.70.41.0-0ubuntu1.80.41.0-0ubuntu1.90.41.0-0ubuntu1.100.41.0-0ubuntu1.110.41.0-0ubuntu1.120.41.0-0ubuntu1.130.41.0-0ubuntu1.140.41.0-0ubuntu1.150.41.0-0ubuntu1.160.41.0-0ubuntu1.16+esm10.41.0-0ubuntu1.16+esm2
0.41.0-0ubuntu1.16+esm3
poppler
Ubuntu:Pro:18.04:LTS
From an advisory covering 2 CVEs
 before 0.62.0-2ubuntu2.14+esm1, plus listed versions
0.57.0-2ubuntu40.57.0-2ubuntu50.62.0-1ubuntu10.62.0-2ubuntu10.62.0-2ubuntu2
Show 13 moreShow less
0.62.0-2ubuntu2.10.62.0-2ubuntu2.20.62.0-2ubuntu2.40.62.0-2ubuntu2.50.62.0-2ubuntu2.60.62.0-2ubuntu2.70.62.0-2ubuntu2.80.62.0-2ubuntu2.90.62.0-2ubuntu2.100.62.0-2ubuntu2.110.62.0-2ubuntu2.120.62.0-2ubuntu2.130.62.0-2ubuntu2.14
0.62.0-2ubuntu2.14+esm1
poppler
Ubuntu:20.04:LTS
From an advisory covering 2 CVEs
 before 0.86.1-0ubuntu1.3, plus listed versions
0.80.0-0ubuntu10.80.0-0ubuntu30.80.0-0ubuntu40.80.0-0ubuntu50.85.0-1ubuntu1
Show 4 moreShow less
0.85.0-1ubuntu30.86.1-0ubuntu10.86.1-0ubuntu1.10.86.1-0ubuntu1.2
0.86.1-0ubuntu1.3

History

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

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

In short

CVE-2020-36023 is a medium vulnerability (CVSS 6.5) in Freedesktop Poppler, published August 11, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.17%, the 67th percentile. Fixed in poppler 22.08.0-2.

References

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