CVE-2020-24999

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-09-03 · updated 2026-06-17
Weakness: CWE-787

Description

There is an invalid memory access in the function fprintf located in Error.cc in Xpdf 4.0.2. It can be triggered by sending a crafted PDF file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Affected products

Xpdf: 4.0.2

References

https://forum.xpdfreader.com/viewtopic.php?f=3&t=42029
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42029

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