How severe is CVE-2020-36024?

CVE-2020-36024 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-36024 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36024?

CVE-2020-36024 affects Freedesktop Poppler. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36024?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-36024 published?

CVE-2020-36024 was published on 2023-08-11 and last updated on 2026-06-17.

CVE-2020-36024

CVE-2020-36024 is a medium-severity vulnerability in Freedesktop Poppler with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Freedesktop Poppler
Published: 2023-08-11
Last modified: 2026-06-17

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::convertToType1 function.

Frequently asked questions

What is 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.
How severe is CVE-2020-36024?: CVE-2020-36024 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-36024 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36024?: CVE-2020-36024 affects Freedesktop Poppler. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36024?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-36024 published?: CVE-2020-36024 was published on 2023-08-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:freedesktop:poppler:20.12.1:*:*:*:*:*:*:*

More vulnerabilities in Freedesktop Poppler

CVE-2019-9631 — Critical (CVSS 9.8): Poppler 0.74.0 has a heap-based buffer over-read in the CairoRescaleBox.cc downsample_row_box_filter function.
CVE-2018-21009 — High (CVSS 8.8): Poppler before 0.66.0 has an integer overflow in Parser::makeStream in Parser.cc.
CVE-2019-12293 — High (CVSS 8.8): In Poppler through 0.76.1, there is a heap-based buffer over-read in JPXStream::init in JPEG2000Stream.cc via data with…
CVE-2019-10872 — High (CVSS 8.8): An issue was discovered in Poppler 0.74.0. There is a heap-based buffer over-read in the function…
CVE-2019-9545 — High (CVSS 8.8): An issue was discovered in Poppler 0.74.0. A recursive function call, in JBIG2Stream::readTextRegion() located in…
CVE-2019-9543 — High (CVSS 8.8): An issue was discovered in Poppler 0.74.0. A recursive function call, in JBIG2Stream::readGenericBitmap() located in…

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Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

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