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TI-2023-12995 Aliases CVE-2023-28452GHSA-hfmw-7g3m-gj6q

An issue was discovered in CoreDNS through 1.10.1.

Priority LOW 34CWE-290Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-290.

Summary

An issue was discovered in CoreDNS through 1.10.1. There is a vulnerability in DNS resolving software, which triggers a resolver to ignore valid responses, thus causing denial of service for normal resolution. In an exploit, the attacker could just forge a response targeting the source port of a vulnerable resolver without the need to guess the correct TXID.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00613 49th percentileScored 2026-11-07
Fix Fixed github.com/coredns/coredns (Go): 1.11.0

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
——all versions—No fix listedCNA
—github.com/coredns/coredns (Go)before 1.11.01.11.0Patch availableGHSA-hfmw-7g3m-gj6q
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/coredns/coredns (Go) Vendor— Affected before 1.11.0 Fixed in 1.11.0 Patch available GHSA-hfmw-7g3m-gj6q

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:coredns.io:coredns:*:*:*:*:*:*:*:*up to 1.10.1Vulnerablecoredns
  • cpe:2.3:a:coredns.io:coredns:*:*:*:*:*:*:*:* Versions up to 1.10.1 Vulnerable ·coredns

Remediation

  • Fix · GHSA-hfmw-7g3m-gj6q github.com/coredns/coredns (Go) Fixed in 1.11.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-28452
  2. 2026-10-03 Alias added: GHSA-hfmw-7g3m-gj6q

References

Advisory 3

Other 4

  • TI-2026-25615 CoreDNS TSIG authentication bypass on encrypted DNS transports CVSS 4.0HIGH 8.7
  • TI-2026-25384 CoreDNS DoH GET path missing size validation causes CPU and memory amplification CVSS 4.0HIGH 8.7
  • TI-2026-25382 CoreDNS DNS-over-QUIC unbounded goroutine growth leads to denial of service CVSS 4.0HIGH 8.7
  • TI-2026-27682 CoreDNS TSIG authentication bypass on gRPC, QUIC, DoH, and DoH3 transports CVSS 4.0HIGH 8.2
  • TI-2026-25885 CoreDNS transfer plugin subzone ACL bypass via lexicographic zone comparison CVSS 4.0HIGH 8.2
  • TI-2026-44486 NULL pointer dereference in coredns CVSS 3.1MEDIUM 5.3
See all 15 →

Sources

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