Vulnerability · Published Aug 31, 2022 · Assigned by redhat
CVE-2022-1259
High 7.5
In plain English
A high-severity uncontrolled resource consumption in undertow. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.4%top 27.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A flaw was found in Undertow. A potential security issue in flow control handling by the browser over HTTP/2 may cause overhead or a denial of service in the server. This flaw exists because of an incomplete fix for CVE-2021-3629.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:25.10 | undertow | no fix listed | UBUNTU-CVE-2022-1259 |
| Ubuntu:26.04:LTS | undertow | no fix listed | UBUNTU-CVE-2022-1259 |
| Ubuntu:26.10 | undertow | no fix listed | UBUNTU-CVE-2022-1259 |
Affected products (as reported)
Weakness: CWE-400