Resource exhaustion in Digium Asterisk

CVE-2022-26498

An issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it is possible to download files that are not certificates. These files could be much larger than what one would expect to download, leading to Resource Exhaustion…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.164 (96.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-26498?
CVE-2022-26498 is a high-severity vulnerability in Digium Asterisk, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-04-15.
How severe is CVE-2022-26498?
High severity. CVSS v3 base score is 7.5 out of 10.