CVE-2022-38150: fedoraproject fedora Uncontrolled Resource Consumption
CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2022-38150openSUSE-SU-2022:10104-1DEBIAN-CVE-2022-38150openSUSE-SU-2024:12255-1
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.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.42%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 2Timeline
- 11-08-2022PublishedVulnerability first disclosed.
- 20-10-2025Last 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 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources4 sources · 6.5–7.5
- CVE.orgCNA6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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 score1.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- fedoraEOL35 | 36
Suse1 product
- varnish&distro=SUSE Package Hub 15 SP4< 7.1.1-bp154.2.6.1
Varnish_cache_project1 product
- varnish_cacheEOL7.0.0 | 7.0.1 | 7.0.2 | 7.1.0
6 vendors · 7 products
References
9 links- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.opensuse.org/archives/…Advisory