CVE-2022-2795: debian debian_linux
CVSS: 5.3v3.1MediumModified
AliasesALPINE-CVE-2022-2795RHSA-2023:3002UBUNTU-CVE-2022-2795DEBIAN-CVE-2022-2795CGA-cp5p-jf2p-hc56CGA-m6fh-fpcv-fh5x
Published 21-09-2022Last modified 29-11-2024
Vulnerability summary
CVE-2022-2795 is a medium (CVSS 5.3) vulnerability in debian debian_linux. EPSS estimates a 2.21% chance of exploitation in the next 30 days, higher than 82.3% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)EPSS score
2.21%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 15 · Related 10Timeline
- 21-09-2022PublishedVulnerability first disclosed.
- 29-11-2024Last modifiedVulnerability information updated.
Description
By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.
CVSS metrics
8 scores · 8 sources · 1 versionMedium 5.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 8 agree
- OSV · AlpineEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · Red hatEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · WolfiEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · ChainguardEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
2.21%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
+0.02 pp
From 2.20% on 18-09-2026
18-09-202618-10-2026
EPSS score2.21%
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
Redhat27 products
- bind< 32:9.11.36-8.el8
- bind-chroot< 32:9.11.36-8.el8
- bind-debuginfo< 32:9.11.36-8.el8
- bind-debugsource< 32:9.11.36-8.el8
- bind-devel< 32:9.11.36-8.el8
Ubuntu3 products
- bind9< 1:9.9.5.dfsg-3ubuntu0.19+esm7 | < 1:9.10.3.dfsg.P4-8ubuntu1.19+esm3 | < 1:9.11.3+dfsg-1ubuntu1.18 | < 1:9.16.1-0ubuntu2.11 | < 1:9.18.1-1ubuntu1.2
- bind9-libsAll versions (No fix recorded)
- isc-dhcpAll versions (No fix recorded)
Debian2 products
- bind9< 1:9.18.7-1
- debian_linuxEOL10.0 | 11.0
Isc2 products
- bind≥ 9.0.0, < 9.16.33 | ≥ 9.18.0, < 9.18.7 | ≥ 9.19.0, < 9.19.5 | 9.9.3:s1 | 9.9.12:s1 | 9.9.13:s1 | 9.10.5:s1 | 9.10.7:s1 | 9.11.3:s1 | 9.11.5:s3 | 9.11.5:s5 | 9.11.5:s6 | 9.11.6:s1 | 9.11.7:s1 | 9.11.8:s1 | 9.11.12:s1 | 9.11.14-s1 | 9.11.19-s1 | 9.11.21:s1 | 9.11.27:s1 | 9.11.29:s1 | 9.11.35:s1 | 9.11.37:s1 | 9.16.8:s1 | 9.16.11:s1 | 9.16.13:s1 | 9.16.21:s1 | 9.16.32:s1
- bind9Open Source Branches 9.0 through 9.16 9.0.0 through versions before 9.16.33 | Open Source Branch 9.18 9.18.0 through versions before 9.18.7 | Supported Preview Branches 9.9-S through 9.11-S 9.9.3-S1 through versions up to and including 9.11.37-S1 | Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1 | Development Branch 9.19 9.19.0 through versions before 9.19.5
Alpine1 product
- bind≥ 9.0.0, < 9.16.33-r0 | ≥ 9.0.0, < 9.18.7-r0
Chainguard1 product
- bindAll versions (No fix recorded)
Fedoraproject1 product
- fedoraEOL35 | 36 | 37
Wolfi1 product
- bindAll versions (No fix recorded)
8 vendors · 38 products