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CVE-2022-2906

25
FAUCET Score

CVE-2022-2906 is a denial-of-service vulnerability affecting ISC BIND, allowing an unauthenticated attacker to exhaust system memory, causing the service to crash. Rated with a CVSS score of 7.5 (High), this flaw can be exploited remotely with low attack complexity, leading to a complete loss of availability. While there is no known active exploitation or publicly available exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness within the cybersecurity landscape.

Impacted Technologies

VendorProductVersion(s)CPE
>= 9.18.0, < 9.18.7CPE matchmatch criteria
cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
>= 9.19.0, < 9.19.5CPE matchmatch criteria
cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.72%
Probability of exploitation in next 30 days
EPSS Percentile
75.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0172 is in the 58th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

alistgovendor investigatingvia llm_extracted
View patch

Vendor Advisories (2)

redhatCVE-2022-2906Moderate

bind: memory leaks in code handling Diffie-Hellman key exchange via TKEY RRs

Sep 21, 2022
alistgollm-alistgo-d8c1817979edb203

Memory leaks in code handling Diffie-Hellman key exchange via TKEY RRs (OpenSSL 3.0.0+ only)

References

kb.isc.org / docs/cve-2022-2906
PatchVendor Advisory
security.gentoo.org / glsa/202210-25
Third Party Advisory
openwall.com / lists/oss-security/2022/09/21/3
Mailing ListPatchThird Party Advisory