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TI-2023-27012 Aliases CVE-2023-49441GHSA-wh73-785p-7wcf

dnsmasq 2.9 is vulnerable to Integer Overflow via forward_query.

Priority LOW 34CWE-190Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.

Summary

dnsmasq 2.9 is vulnerable to Integer Overflow via forward_query.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00656 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:thekelleys:dnsmasq:2.9:*:*:*:*:*:*:*2.9VulnerableThekelleys
  • cpe:2.3:a:thekelleys:dnsmasq:2.9:*:*:*:*:*:*:* Versions 2.9 Vulnerable ·Thekelleys

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: 5 products
  • Red Hat Enterprise Linux 10
  • 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-2023-49441
  2. 2026-10-03 Alias added: GHSA-wh73-785p-7wcf
  3. 2026-10-06 EPSS moved to the 50th–90th percentile
  4. 2026-10-11 EPSS moved to the below the 50th percentile
  5. 2026-10-13 EPSS moved to the 50th–90th percentile

References

Exploit 1

Other 1

  • TI-2017-10595 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.0CRITICAL 9.8
  • TI-2023-27571 Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related… CVSS 3.1HIGH 7.5
  • TI-2017-10596 Stack-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.0CRITICAL 9.8
  • TI-2017-10594 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.1CRITICAL 9.8
  • TI-2021-20958 Dnsmasq 2.86 has a heap-based buffer overflow in resize_packet (called from… CVSS 3.1CRITICAL 9.8
  • TI-2020-15697 Heap-based buffer overflow in dnsmasq CVSS 3.1HIGH 8.1
See all 38 →

Sources

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