CVE-2021-42386
UNKNOWN
Published 2021-11-15T00:00:00.000Z
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CVSS Score
V3.1
7.2
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A
Impact: N/A
EPSS Score
v2025.03.14
0.002
probability
of exploitation in the wild
There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.
Updated: 2025-06-25
Exploit Probability
Percentile: 0.406
Higher than 40.6% of all CVEs
Attack Vector Metrics
Impact Metrics
Description
A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the nvalloc function
Available Exploits
No exploits available for this CVE.
Related News
No news articles found for this CVE.
Affected Products
Affected Versions:
GitHub Security Advisories
Community-driven vulnerability intelligence from GitHub
⚠ Unreviewed
HIGH
GHSA-65mf-h26j-7336
Advisory Details
A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the nvalloc function
CVSS Scoring
CVSS Score
7.5
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: April 23, 2025
References
Published: 2021-11-15T00:00:00.000Z
Last Modified: 2025-04-23T19:22:52.984Z
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