How severe is CVE-2022-40923?

CVE-2022-40923 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-40923 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40923?

CVE-2022-40923 affects Lief-project Lief. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40923?

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

When was CVE-2022-40923 published?

CVE-2022-40923 was published on 2022-09-30 and last updated on 2026-06-17.

CVE-2022-40923

CVE-2022-40923 is a medium-severity vulnerability in Lief-project Lief with a CVSS 3.x base score of 6.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Lief-project Lief
Published: 2022-09-30
Last modified: 2026-06-17

Description

A vulnerability in the LIEF::MachO::SegmentCommand::virtual_address function of LIEF v0.12.1 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted MachO file.

Frequently asked questions

What is CVE-2022-40923?: A vulnerability in the LIEF::MachO::SegmentCommand::virtual_address function of LIEF v0.12.1 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted MachO file.
How severe is CVE-2022-40923?: CVE-2022-40923 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-40923 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40923?: CVE-2022-40923 affects Lief-project Lief. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40923?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-40923 published?: CVE-2022-40923 was published on 2022-09-30 and last updated on 2026-06-17.

References

https://github.com/lief-project/LIEF/issues/784

Affected products (1)

cpe:2.3:a:lief-project:lief:0.12.1:*:*:*:*:*:*:*

More vulnerabilities in Lief-project Lief

CVE-2021-32297 — High (CVSS 8.8): An issue was discovered in LIEF through 0.11.4. A heap-buffer-overflow exists in the function main located in…
CVE-2022-38495 — High (CVSS 7.8): LIEF commit 365a16a was discovered to contain a heap-buffer overflow via the function print_binary at /c/macho_reader.c.
CVE-2022-38306 — High (CVSS 7.8): LIEF commit 5d1d643 was discovered to contain a heap-buffer overflow in the component /core/CorePrPsInfo.tcc.
CVE-2022-43171 — Medium (CVSS 6.5): A heap buffer overflow in the LIEF::MachO::BinaryParser::parse_dyldinfo_generic_bind function of LIEF v0.12.1 allows…
CVE-2022-40922 — Medium (CVSS 6.5): A vulnerability in the LIEF::MachO::BinaryParser::init_and_parse function of LIEF v0.12.1 allows attackers to cause a…
CVE-2022-38497 — Medium (CVSS 5.5): LIEF commit 365a16a was discovered to contain a segmentation violation via the component CoreFile.tcc:69.

All CVEs affecting Lief-project Lief →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →