UBUNTU-CVE-2022-38150: varnish Ubuntu
CVSS: 7.5v3.1HighPublished
Published 11-08-2022Last modified 04-02-2026
Vulnerability summary
UBUNTU-CVE-2022-38150 is a high (CVSS 7.5) vulnerability in varnish Ubuntu.
CVSS score
7.5/10
010
High · v3.1 (OSV · Ubuntu), selected by version preferenceEPSS score
Not scored
0%100%
No EPSS score yetKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 1Timeline
- 11-08-2022PublishedVulnerability first disclosed.
- 04-02-2026Last modifiedVulnerability information updated.
Description
In Varnish Cache 7.0.0, 7.0.1, 7.0.2, and 7.1.0, it is possible to cause the Varnish Server to assert and automatically restart through forged HTTP/1 backend responses. An attack uses a crafted reason phrase of the backend response status line. This is fixed in 7.0.3 and 7.1.1.
CVSS metrics
1 score · 1 source · 1 versionHigh 7.5Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu1 product
- varnishAll versions (No fix recorded)
1 vendor · 1 product