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TI-2023-05223 Aliases CVE-2023-5680GHSA-m868-f948-vvjc

Cleaning an ECS-enabled cache may cause excessive CPU load

Priority LOW 25Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

If a resolver cache has a very large number of ECS records stored for the same name, the process of cleaning the cache database node for this name can significantly impair query performance. This issue affects BIND 9 versions 9.11.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00624 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ISCBIND 99.11.3-S1 – 9.11.37-S1; 9.16.8-S1 – 9.16.45-S1; 9.18.11-S1 – 9.18.21-S1—No fix listedCNA
  • BIND 9 VendorISC Affected 9.11.3-S1 – 9.11.37-S1; 9.16.8-S1 – 9.16.45-S1; 9.18.11-S1 – 9.18.21-S1 Fixed in — No fix listed CNA

CPE configurations NVD · 28

CPEVersionsRoleVendor
cpe:2.3:a:isc:bind:9.11.3:s1:*:*:supported_preview:*:*:*9.11.3 s1VulnerableISC
cpe:2.3:a:isc:bind:9.11.3:s4:*:*:supported_preview:*:*:*9.11.3 s4VulnerableISC
cpe:2.3:a:isc:bind:9.11.4:s1:*:*:supported_preview:*:*:*9.11.4 s1VulnerableISC
cpe:2.3:a:isc:bind:9.11.5:s3:*:*:supported_preview:*:*:*9.11.5 s3VulnerableISC
cpe:2.3:a:isc:bind:9.11.5:s5:*:*:supported_preview:*:*:*9.11.5 s5VulnerableISC
cpe:2.3:a:isc:bind:9.11.5:s6:*:*:supported_preview:*:*:*9.11.5 s6VulnerableISC
cpe:2.3:a:isc:bind:9.11.6:s1:*:*:supported_preview:*:*:*9.11.6 s1VulnerableISC
cpe:2.3:a:isc:bind:9.11.7:s1:*:*:supported_preview:*:*:*9.11.7 s1VulnerableISC
cpe:2.3:a:isc:bind:9.11.8:s1:*:*:supported_preview:*:*:*9.11.8 s1VulnerableISC
cpe:2.3:a:isc:bind:9.11.12:s1:*:*:supported_preview:*:*:*9.11.12 s1VulnerableISC
  • cpe:2.3:a:isc:bind:9.11.3:s1:*:*:supported_preview:*:*:* Versions 9.11.3 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.3:s4:*:*:supported_preview:*:*:* Versions 9.11.3 s4 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.4:s1:*:*:supported_preview:*:*:* Versions 9.11.4 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.5:s3:*:*:supported_preview:*:*:* Versions 9.11.5 s3 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.5:s5:*:*:supported_preview:*:*:* Versions 9.11.5 s5 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.5:s6:*:*:supported_preview:*:*:* Versions 9.11.5 s6 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.6:s1:*:*:supported_preview:*:*:* Versions 9.11.6 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.7:s1:*:*:supported_preview:*:*:* Versions 9.11.7 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.8:s1:*:*:supported_preview:*:*:* Versions 9.11.8 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.12:s1:*:*:supported_preview:*:*:* Versions 9.11.12 s1 Vulnerable ·ISC
Show 18 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:isc:bind:9.11.21:s1:*:*:supported_preview:*:*:*9.11.21 s1VulnerableISC
cpe:2.3:a:isc:bind:9.11.27:s1:*:*:supported_preview:*:*:*9.11.27 s1VulnerableISC
cpe:2.3:a:isc:bind:9.11.29:s1:*:*:supported_preview:*:*:*9.11.29 s1VulnerableISC
cpe:2.3:a:isc:bind:9.11.35:s1:*:*:supported_preview:*:*:*9.11.35 s1VulnerableISC
cpe:2.3:a:isc:bind:9.11.37:s1:*:*:supported_preview:*:*:*9.11.37 s1VulnerableISC
cpe:2.3:a:isc:bind:9.16.8:s1:*:*:supported_preview:*:*:*9.16.8 s1VulnerableISC
cpe:2.3:a:isc:bind:9.16.11:s1:*:*:supported_preview:*:*:*9.16.11 s1VulnerableISC
cpe:2.3:a:isc:bind:9.16.12:s1:*:*:supported_preview:*:*:*9.16.12 s1VulnerableISC
cpe:2.3:a:isc:bind:9.16.13:s1:*:*:supported_preview:*:*:*9.16.13 s1VulnerableISC
cpe:2.3:a:isc:bind:9.16.14:s1:*:*:supported_preview:*:*:*9.16.14 s1VulnerableISC
cpe:2.3:a:isc:bind:9.16.21:s1:*:*:supported_preview:*:*:*9.16.21 s1VulnerableISC
cpe:2.3:a:isc:bind:9.16.32:s1:*:*:supported_preview:*:*:*9.16.32 s1VulnerableISC
cpe:2.3:a:isc:bind:9.16.36:s1:*:*:supported_preview:*:*:*9.16.36 s1VulnerableISC
cpe:2.3:a:isc:bind:9.16.43:s1:*:*:supported_preview:*:*:*9.16.43 s1VulnerableISC
cpe:2.3:a:isc:bind:9.18.11:s1:*:*:supported_preview:*:*:*9.18.11 s1VulnerableISC
cpe:2.3:a:isc:bind:9.18.18:s1:*:*:supported_preview:*:*:*9.18.18 s1VulnerableISC
cpe:2.3:a:isc:bind:9.18.21:s1:*:*:supported_preview:*:*:*9.18.21 s1VulnerableISC
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*not specified by NVDVulnerableNetApp
  • cpe:2.3:a:isc:bind:9.11.21:s1:*:*:supported_preview:*:*:* Versions 9.11.21 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.27:s1:*:*:supported_preview:*:*:* Versions 9.11.27 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.29:s1:*:*:supported_preview:*:*:* Versions 9.11.29 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.35:s1:*:*:supported_preview:*:*:* Versions 9.11.35 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.11.37:s1:*:*:supported_preview:*:*:* Versions 9.11.37 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.16.8:s1:*:*:supported_preview:*:*:* Versions 9.16.8 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.16.11:s1:*:*:supported_preview:*:*:* Versions 9.16.11 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.16.12:s1:*:*:supported_preview:*:*:* Versions 9.16.12 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.16.13:s1:*:*:supported_preview:*:*:* Versions 9.16.13 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.16.14:s1:*:*:supported_preview:*:*:* Versions 9.16.14 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.16.21:s1:*:*:supported_preview:*:*:* Versions 9.16.21 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.16.32:s1:*:*:supported_preview:*:*:* Versions 9.16.32 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.16.36:s1:*:*:supported_preview:*:*:* Versions 9.16.36 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.16.43:s1:*:*:supported_preview:*:*:* Versions 9.16.43 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.18.11:s1:*:*:supported_preview:*:*:* Versions 9.18.11 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.18.18:s1:*:*:supported_preview:*:*:* Versions 9.18.18 s1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.18.21:s1:*:*:supported_preview:*:*:* Versions 9.18.21 s1 Vulnerable ·ISC
  • cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* Versions not specified by NVD Vulnerable ·NetApp

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-5680
  2. 2026-10-03 Alias added: GHSA-m868-f948-vvjc
  3. 2026-11-04 EPSS moved to the 50th–90th percentile

References

Advisory 2

  • TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
  • TI-2023-27571 Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related… CVSS 3.1HIGH 7.5
  • TI-2021-07476 A second vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack CVSS 3.1CRITICAL 9.8
  • TI-2023-27773 The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance… CVSS 3.1HIGH 7.5
  • TI-2020-06910 A logic error in code which checks TSIG validity can be used to trigger an assertion failure in tsig.c CVSS 3.1HIGH 7.5
  • TI-2016-02320 buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x… CVSS 3.0HIGH 7.5
See all 192 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences