7.5

CVE-2022-38150: fedoraproject fedora Uncontrolled Resource Consumption

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2022-38150openSUSE-SU-2022:10104-1DEBIAN-CVE-2022-38150
Published 11-08-2022Last modified 20-10-2025

Vulnerability summary

CVE-2022-38150 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in fedoraproject fedora. EPSS estimates a 1.42% chance of exploitation in the next 30 days, higher than 72.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.42%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 2

Timeline

  1. 11-08-2022
    PublishedVulnerability first disclosed.
  2. 20-10-2025
    Last 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

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.42%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

+0.03 pp

From 1.39% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.42%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Opensuse2 products
  • varnish&distro=openSUSE Leap 15.4< 7.1.1-bp154.2.6.1
  • varnish&distro=openSUSE Tumbleweed< 7.1.1-1.1
Alpine1 product
  • varnish< 7.1.1-r0 | < 7.0.3-r0
Debian1 product
  • varnish< 7.1.1-1
Fedoraproject1 product
Suse1 product
  • varnish&distro=SUSE Package Hub 15 SP4< 7.1.1-bp154.2.6.1
Varnish_cache_project1 product

6 vendors · 7 products

References

9 links