CVE-2020-36023
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.
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
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 Medium
CVSS: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 Medium
CVSS: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 Medium
CVSS: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 Medium
CVSS: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 Medium
CVSS: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 Medium
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
popplerDebian:12 |
before 22.08.0-2 | 22.08.0-2 |
popplerDebian:13 |
before 22.08.0-2 | 22.08.0-2 |
popplerDebian:14 |
before 22.08.0-2 | 22.08.0-2 |
popplerDebian: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 |
popplerDebian: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 |
popplerMageia:8 From an advisory covering 2 CVEs |
before 20.12.1-1.4.mga8 | 20.12.1-1.4.mga8 |
poppleropenSUSE:Leap 15.4 From an advisory covering 4 CVEs |
before 0.62.0-150000.4.28.2 | 0.62.0-150000.4.28.2 |
popplerSUSE: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-qtSUSE: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 |
popplerSUSE:Linux Enterprise Server 12 SP5 From an advisory covering 9 CVEs |
before 0.43.0-16.40.1 | 0.43.0-16.40.1 |
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| Package | Affected | Fixed |
|---|---|---|
poppler-qtSUSE:Linux Enterprise Server 12 SP5 From an advisory covering 9 CVEs |
before 0.43.0-16.40.1 | 0.43.0-16.40.1 |
popplerSUSE: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-qtSUSE: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 |
popplerSUSE: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 |
popplerSUSE: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 |
popplerSUSE: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 |
popplerSUSE: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 |
popplerSUSE: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 |
poppleropenSUSE:Leap 15.4 From an advisory covering 3 CVEs |
before 0.79.0-150200.3.26.1 | 0.79.0-150200.3.26.1 |
popplerUbuntu: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 less0.41.0-0ubuntu1.20.41.0-0ubuntu1.30.41.0-0ubuntu1.40.41.0-0ubuntu1.50.41.0-0ubuntu1.60.41.0-0ubuntu1.70.41.0-0ubuntu1.80.41.0-0ubuntu1.90.41.0-0ubuntu1.100.41.0-0ubuntu1.110.41.0-0ubuntu1.120.41.0-0ubuntu1.130.41.0-0ubuntu1.140.41.0-0ubuntu1.150.41.0-0ubuntu1.160.41.0-0ubuntu1.16+esm10.41.0-0ubuntu1.16+esm2 |
0.41.0-0ubuntu1.16+esm3 |
popplerUbuntu: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 less0.62.0-2ubuntu2.10.62.0-2ubuntu2.20.62.0-2ubuntu2.40.62.0-2ubuntu2.50.62.0-2ubuntu2.60.62.0-2ubuntu2.70.62.0-2ubuntu2.80.62.0-2ubuntu2.90.62.0-2ubuntu2.100.62.0-2ubuntu2.110.62.0-2ubuntu2.120.62.0-2ubuntu2.130.62.0-2ubuntu2.14 |
0.62.0-2ubuntu2.14+esm1 |
popplerUbuntu: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 less0.85.0-1ubuntu30.86.1-0ubuntu10.86.1-0ubuntu1.10.86.1-0ubuntu1.2 |
0.86.1-0ubuntu1.3 |
popplerUbuntu: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 less0.41.0-0ubuntu1.20.41.0-0ubuntu1.30.41.0-0ubuntu1.40.41.0-0ubuntu1.50.41.0-0ubuntu1.60.41.0-0ubuntu1.70.41.0-0ubuntu1.80.41.0-0ubuntu1.90.41.0-0ubuntu1.100.41.0-0ubuntu1.110.41.0-0ubuntu1.120.41.0-0ubuntu1.130.41.0-0ubuntu1.140.41.0-0ubuntu1.150.41.0-0ubuntu1.160.41.0-0ubuntu1.16+esm10.41.0-0ubuntu1.16+esm2 |
0.41.0-0ubuntu1.16+esm3 |
popplerUbuntu: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 less0.62.0-2ubuntu2.10.62.0-2ubuntu2.20.62.0-2ubuntu2.40.62.0-2ubuntu2.50.62.0-2ubuntu2.60.62.0-2ubuntu2.70.62.0-2ubuntu2.80.62.0-2ubuntu2.90.62.0-2ubuntu2.100.62.0-2ubuntu2.110.62.0-2ubuntu2.120.62.0-2ubuntu2.130.62.0-2ubuntu2.14 |
0.62.0-2ubuntu2.14+esm1 |
popplerUbuntu: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 less0.85.0-1ubuntu30.86.1-0ubuntu10.86.1-0ubuntu1.10.86.1-0ubuntu1.2 |
0.86.1-0ubuntu1.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE 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
gitlab.freedesktop.org/poppler/poppler/-/issues/1013
lists.debian.org/debian-lts-announce/2023/08/msg00017.html
lists.debian.org/debian-lts-announce/2025/04/msg00037.html
nvd.nist.gov/vuln/detail/CVE-2020-36023
github.com/advisories/GHSA-xrv4-xm8w-pm47
docs.bell-sw.com/security/cves/CVE-2020-36023
Show 29 moreShow less
security-tracker.debian.org/tracker/CVE-2020-36023
advisories.mageia.org/MGASA-2023-0262.html
bugs.mageia.org/show_bug.cgi?id=32242
ubuntu.com/security/notices/USN-6299-1
suse.com/support/update/announcement/2023/suse-su-20234187-1
bugzilla.suse.com/1112424
bugzilla.suse.com/1112428
bugzilla.suse.com/1140745
bugzilla.suse.com/1214256
suse.com/security/cve/CVE-2018-18454
suse.com/security/cve/CVE-2018-18456
suse.com/security/cve/CVE-2019-13287
suse.com/security/cve/CVE-2020-36023
suse.com/support/update/announcement/2023/suse-su-20234362-1
bugzilla.suse.com/1128114
bugzilla.suse.com/1129202
bugzilla.suse.com/1143570
bugzilla.suse.com/1214723
bugzilla.suse.com/1214726
suse.com/security/cve/CVE-2019-14292
suse.com/security/cve/CVE-2019-9545
suse.com/security/cve/CVE-2019-9631
suse.com/security/cve/CVE-2022-37052
suse.com/security/cve/CVE-2022-48545
suse.com/support/update/announcement/2023/suse-su-20234546-1
suse.com/support/update/announcement/2023/suse-su-20234562-1
ubuntu.com/security/CVE-2020-36023
cve.org/CVERecord?id=CVE-2020-36023
ubuntu.com/security/CVE-2020-36024