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CVE-2020-36023

20
FAUCET Score

CVE-2020-36023 describes a denial-of-service vulnerability in freedesktop poppler version 20.12.1, where a remote attacker can crash the application by providing a specially crafted PDF file to the FoFiType1C::cvtGlyph function. This vulnerability has a CVSS score of 6.5 (Medium), indicating it can be exploited over a network with low attack complexity, requiring user interaction, and leading to high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
20.12.1CPE matchmatch criteria
cpe:2.3:a:freedesktop:poppler:20.12.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.93%
Probability of exploitation in next 30 days
EPSS Percentile
56.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0093 is in the 69th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (6)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: gimp:flatpak/poppler
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: inkscape:flatpak/poppler
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libreoffice:flatpak/poppler
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: poppler
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: inkscape:flatpak/poppler
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: libreoffice:flatpak/poppler

Vendor Advisories (1)

redhatCVE-2020-36023Moderate

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

Aug 11, 2023

References

lists.debian.org / debian-lts-announce/2025/04/msg00037.html
gitlab.freedesktop.org / poppler/poppler/-/issues/1013
ExploitIssue TrackingPatch
lists.debian.org / debian-lts-announce/2023/08/msg00017.html
Mailing ListThird Party Advisory