How severe is CVE-2018-20348?

CVE-2018-20348 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-2018-20348 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20348?

CVE-2018-20348 affects Libpff Project Libpff. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20348?

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

When was CVE-2018-20348 published?

CVE-2018-20348 was published on 2018-12-22 and last updated on 2026-06-17.

CVE-2018-20348

CVE-2018-20348 is a medium-severity vulnerability in Libpff Project Libpff 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-835.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 1.9
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-835
Affected product: Libpff Project Libpff
Published: 2018-12-22
Last modified: 2026-06-17

Description

libpff_item_tree_create_node in libpff_item_tree.c in libpff before experimental-20180714 allows attackers to cause a denial of service (infinite recursion) via a crafted file, related to libfdata_tree_get_node_value in libfdata_tree.c.

Frequently asked questions

What is CVE-2018-20348?: libpff_item_tree_create_node in libpff_item_tree.c in libpff before experimental-20180714 allows attackers to cause a denial of service (infinite recursion) via a crafted file, related to libfdata_tree_get_node_value in libfdata_tree.c.
How severe is CVE-2018-20348?: CVE-2018-20348 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-2018-20348 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20348?: CVE-2018-20348 affects Libpff Project Libpff. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20348?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20348 published?: CVE-2018-20348 was published on 2018-12-22 and last updated on 2026-06-17.

References

https://github.com/libyal/libpff/issues/48

Affected products (1)

cpe:2.3:a:libpff_project:libpff:*:*:*:*:*:*:*:*

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