Security readout for executives and security teams
This flaw can let a remote, unauthenticated attacker drain memory from affected BIND named services until the DNS process crashes. The impact is service availability, not data theft or system takeover. The attacker must restart the pressure after named restarts, but repeated outages can still disrupt DNS-dependent business services. Exposure is most likely where organizations run affected ISC BIND 9.18 or 9.19 named servers, especially internet-reachable authoritative or recursive DNS services built with OpenSSL 3.0.0 or later. Treat as a high-priority availability fix for DNS infrastructure. Prioritize externally reachable and business-critical DNS servers because successful exploitation can interrupt name resolution and dependent applications without needing credentials. Mitigation focus: Upgrade affected BIND 9.18 deployments to 9.18.7 or later.; Upgrade affected BIND 9.19 development deployments to 9.19.5 or later.; Confirm whether named is built or linked with OpenSSL 3.0.0 or later..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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Open ATT&CK lookupCVE-2022-2906 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.isc.org/docs/cve-2022-2906CVE reference
- GLSA-202210-25CVE reference · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Release of Memory after Effective Lifetime
Missing Release of Memory after Effective Lifetime represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.