cve.bz

CVE-2021-28831

7.5 highEPSS 2.7%

High (7.5). EPSS 2.7% chance of exploitation in the next 30 days.

decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
2.7% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)
CWE
CWE-755
Published
Modified
Record from
the NVD, synced

Affected

References

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