Home/CVE/dnsmasq 2.9 is vulnerable to Integer Overflow via forward_query.
CVE

CVE-2023-49441

dnsmasq 2.9 is vulnerable to Integer Overflow via forward_query.

dnsmasq 2.9 is vulnerable to Integer Overflow via forward_query.

HIGH · CVSS 7.5 EPSS 0.00013
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
CWE-190Integer Overflow or Wraparound
▤

Affected Products & Versions

1
thekelleys dnsmasqall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Jun 2024 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

4
suse-csafSUSE-SU-2026:21626-1
siemens-csafSSA-354112
suse-csafopenSUSE-SU-2024:14031-1
cisa-csafcisa-csaf-csaf_files-OT-white-2024-icsa-24-319-06
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2023q4/017332.htmlExploitMailing List
https://thekelleys.org.uk/gitweb/?p=dnsmasq.gitBroken Link
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