Skip to main content
Public proof of conceptFix available

CVE-2020-36023

A public proof of concept exists; no exploitation attested.

  • Published2023-08-11
  • WeaknessCWE-835

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2023-08-1114:15CVE publishedNVD

Versions per branch

NVD
Freedesktop poppler
BranchAffectedFixed in
20.12= 20.12.1no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • popplerUbuntu:Pro:18.04:LTSall versions · fixed in 0.62.0-2ubuntu2.14+esm1
  • popplerUbuntu:Pro:16.04:LTSall versions · fixed in 0.41.0-0ubuntu1.16+esm3
  • popplerUbuntu:20.04:LTSall versions · fixed in 0.86.1-0ubuntu1.3
  • popplerSUSE:Manager Server 4.2all versions · fixed in 0.79.0-150200.3.26.1
  • popplerSUSE:Manager Proxy 4.2all versions · fixed in 0.79.0-150200.3.26.1
  • popplerSUSE:Linux Enterprise Software Development Kit 12 SP5all versions · fixed in 0.43.0-16.40.1and 1 other package
  • popplerSUSE:Linux Enterprise Software Development Kit 12 SP5all versions · fixed in 0.24.4-14.41.1
  • popplerSUSE:Linux Enterprise Server for SAP Applications 12 SP5all versions · fixed in 0.43.0-16.40.1and 1 other package

11 more package ranges on OSV.dev

Vendor advisories

  • CVE-2020-36023 Red Hat Product Security87 known affected

    poppler: Stack-Overflow in `FoFiType1C::cvtGlyph`

    poppler as a component of Red Hat Enterprise Linux 6 · poppler-devel as a component of Red Hat Enterprise Linux 6 · poppler-glib as a component of Red Hat Enterprise Linux 6 · +84 more

Full record on NVD

Fix

  1. No fix planned, says the vendor Red Hat Product Security CVE-2020-36023 · 21 productsOut of support scope
  2. No fix planned, says the vendor Red Hat Product Security CVE-2020-36023 · 66 productsWill not fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2023-08-11
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-xrv4-xm8w-pm47

Frequently asked questions

What is 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::cvtGlyph function.

Is CVE-2020-36023 actively exploited?

A proof-of-concept exploit exists for CVE-2020-36023, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2020-36023?

CVE-2020-36023 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Running poppler? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record