7.5

CVE-2022-2906: isc bind

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2022-2906UBUNTU-CVE-2022-2906DEBIAN-CVE-2022-2906
Published 21-09-2022Last modified 28-05-2025

Vulnerability summary

CVE-2022-2906 is a high (CVSS 7.5) vulnerability in isc bind. EPSS estimates a 2.07% chance of exploitation in the next 30 days, higher than 81% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
2.07%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 4

Timeline

  1. 21-09-2022
    PublishedVulnerability first disclosed.
  2. 28-05-2025
    Last modifiedVulnerability information updated.

Description

An attacker can leverage this flaw to gradually erode available memory to the point where named crashes for lack of resources. Upon restart the attacker would have to begin again, but nevertheless there is the potential to deny service.

CVSS metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

2.07%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

+0.01 pp

From 2.05% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.07%

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

Isc2 products
  • bind≥ 9.18.0, < 9.18.7 | ≥ 9.19.0, < 9.19.5
  • bind9Open Source Branch 9.18 9.18.0 through versions before 9.18.7 | Development Branch 9.19 9.19.0 through versions before 9.19.5
Alpine1 product
  • bind≥ 9.18.0, < 9.16.33-r0 | ≥ 9.18.0, < 9.18.7-r0
Chainguard1 product
  • bindAll versions (No fix recorded)
Debian1 product
  • bind9< 1:9.18.7-1
Ubuntu1 product
  • bind9< 1:9.18.1-1ubuntu1.2
Wolfi1 product
  • bindAll versions (No fix recorded)

6 vendors · 7 products

References

8 links