What is CVE-2020-36024?

CVE-2020-36024 is a medium-severity vulnerability in Freedesktop Poppler, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2023-08-11.

How severe is CVE-2020-36024?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2020-36024 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Freedesktop Poppler

CVE-2020-36024

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.

Published 2023-08-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Freedesktop Poppler — versions 20.12.1

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

w4zu/Debian_

References

gitlab.freedesktop.org/poppler/poppler/-/issues/1016 (Exploit, Patch, Issue Tracking)
lists.debian.org/debian-lts-announce/2023/08/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2020-36024?: CVE-2020-36024 is a medium-severity vulnerability in Freedesktop Poppler, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2023-08-11.
How severe is CVE-2020-36024?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2020-36024 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.