Medium severity · published Aug 11, 2023
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
6.5
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PO
Poppler · Freedesktop
20.12.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36023
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36023
Exploit
https://gitlab.freedesktop.org/poppler/poppler/-/issues/1013
Mailing List
https://lists.debian.org/debian-lts-announce/2023/08/msg00017.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/04/msg00037.html
More from Poppler
7.8
CVE-2021-30860
Apple Multiple Products Integer Overflow Vulnerability
9.8
CVE-2019-9631
Poppler 0.74.0 has a heap-based buffer over-read in the CairoRescaleBox.cc downsample_row_box_filter function
8.8
CVE-2018-21009
Poppler before 0.66.0 has an integer overflow in Parser::makeStream in Parser.cc
8.8
CVE-2019-12293
In Poppler through 0.76.1, there is a heap-based buffer over-read in JPXStream::init in JPEG2000Stream.cc via data with inconsistent heights or widths
8.8
CVE-2019-10872
An issue was discovered in Poppler 0.74.0