Vulnerability in Alpine Project

CVE-2021-46853

Alpine before 2.25 allows remote attackers to cause a denial of service (application crash) when LIST or LSUB is sent before STARTTLS.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.008 (54.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-46853?
CVE-2021-46853 is a medium-severity vulnerability in Alpine Project, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.9/10. Published 2022-11-03.
How severe is CVE-2021-46853?
Medium severity. CVSS v3 base score is 5.9 out of 10.