How severe is CVE-2022-39170?

CVE-2022-39170 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-39170 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-39170?

CVE-2022-39170 primarily affects Libdwarf Project Libdwarf. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-39170?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-39170 published?

CVE-2022-39170 was published on 2022-09-02 and last updated on 2026-06-17.

CVE-2022-39170

CVE-2022-39170 is a high-severity vulnerability in Libdwarf Project Libdwarf with a CVSS 3.x base score of 8.8. 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-415.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-415
Affected product: Libdwarf Project Libdwarf
Published: 2022-09-02
Last modified: 2026-06-17

Description

libdwarf 0.4.1 has a double free in _dwarf_exec_frame_instr in dwarf_frame.c.

Frequently asked questions

What is CVE-2022-39170?: libdwarf 0.4.1 has a double free in _dwarf_exec_frame_instr in dwarf_frame.c.
How severe is CVE-2022-39170?: CVE-2022-39170 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-39170 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-39170?: CVE-2022-39170 primarily affects Libdwarf Project Libdwarf. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-39170?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-39170 published?: CVE-2022-39170 was published on 2022-09-02 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:libdwarf_project:libdwarf:0.4.1:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

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