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Vulnerability · Published Apr 15, 2022 · Assigned by mitre

CVE-2022-26498

High 7.5

In plain English

A high-severity security flaw in the asterisk package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 16.5% (higher than 97% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)16.5%top 3.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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. This is fixed in 16.25.2, 18.11.2, and 19.3.2.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20asterisk18.11.2-r0ALPINE-CVE-2022-26498
Alpine:v3.21asterisk18.11.2-r0ALPINE-CVE-2022-26498
Alpine:v3.22asterisk18.11.2-r0ALPINE-CVE-2022-26498
Alpine:v3.23asterisk18.11.2-r0ALPINE-CVE-2022-26498
Alpine:v3.24asterisk18.11.2-r0ALPINE-CVE-2022-26498
Debian:14asterisk1:18.11.2~dfsg+~cs6.10.40431413-1DEBIAN-CVE-2022-26498
Ubuntu:22.04:LTSasteriskno fix listedUBUNTU-CVE-2022-26498
Ubuntu:24.04:LTSasteriskno fix listedUBUNTU-CVE-2022-26498
Ubuntu:25.10asteriskno fix listedUBUNTU-CVE-2022-26498
Ubuntu:26.04:LTSasteriskno fix listedUBUNTU-CVE-2022-26498
Ubuntu:26.10asteriskno fix listedUBUNTU-CVE-2022-26498

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References