An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longname, causing an out-of-bounds read.
Published 2022-08-10 20:15:21
Updated 2023-01-11 21:57:18
Source openEuler
View at NVD,

Exploit prediction scoring system (EPSS) score for CVE-2021-33644

Probability of exploitation activity in the next 30 days: 0.22%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 59 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-33644

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source

CWE ids for CVE-2021-33644

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by:
    • (Primary)
    • (Secondary)

References for CVE-2021-33644

Products affected by CVE-2021-33644

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