What is CVE-2021-45429?

CVE-2021-45429 is a medium-severity vulnerability in Virustotal Yara, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2022-02-04.

How severe is CVE-2021-45429?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Virustotal Yara

CVE-2021-45429

A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yr_set_configuration in yara/libyara/libyara.c, which could cause a Denial of Service.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (54.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Virustotal Yara
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-45429?: CVE-2021-45429 is a medium-severity vulnerability in Virustotal Yara, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2022-02-04.
How severe is CVE-2021-45429?: Medium severity. CVSS v3 base score is 5.5 out of 10.