CVE-2023-42364
CVE-2023-42364 is a medium-severity vulnerability in Busybox 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-416.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Busybox
- Published:
- Last modified:
Description
A use-after-free vulnerability in BusyBox v.1.36.1 allows attackers to cause a denial of service via a crafted awk pattern in the awk.c evaluate function.
Frequently asked questions
- What is CVE-2023-42364?
- A use-after-free vulnerability in BusyBox v.1.36.1 allows attackers to cause a denial of service via a crafted awk pattern in the awk.c evaluate function.
- How severe is CVE-2023-42364?
- CVE-2023-42364 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-2023-42364 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-2023-42364?
- CVE-2023-42364 affects Busybox. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-42364?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-42364 published?
- CVE-2023-42364 was published on 2023-11-27 and last updated on 2026-06-17.
References
- https://bugs.busybox.net/show_bug.cgi?id=15868
- https://lists.debian.org/debian-lts-announce/2025/01/msg00012.html
Affected products (1)
- cpe:2.3:a:busybox:busybox:1.36.1:*:*:*:*:*:*:*
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