CVE-2020-18897

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-08-19 · updated 2026-06-17
Weakness: CWE-416

Description

An use-after-free vulnerability in the libpff_item_tree_create_node function of libyal Libpff before 20180623 allows attackers to cause a denial of service (DOS) or execute arbitrary code via a crafted pff file.

Affected products

Libpff Project Libpff: before 20180623 — fixed in 20180623

How to fix

Upgrade to a fixed version: Libpff Project Libpff 20180623. Check the vendor advisory for mitigations.

References

https://github.com/libyal/libpff/issues/61
https://github.com/libyal/libpff/issues/62
https://github.com/libyal/libpff/issues/61
https://github.com/libyal/libpff/issues/62

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