CVE-2023-49441: thekelleys dnsmasq Integer Overflow or Wraparound
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-49441DEBIAN-CVE-2023-49441openSUSE-SU-2024:14031-1
Published 06-06-2024Last modified 14-03-2025
Vulnerability summary
CVE-2023-49441 is a high (CVSS 7.5) Integer Overflow or Wraparound vulnerability in thekelleys dnsmasq. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.66%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 06-06-2024PublishedVulnerability first disclosed.
- 14-03-2025Last modifiedVulnerability information updated.
Description
dnsmasq 2.9 is vulnerable to Integer Overflow via forward_query.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.66%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
-0.01 pp
From 0.66% on 20-09-2026
20-09-202620-10-2026
EPSS score0.66%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (lists.thekelleys.org.uk)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- dnsmasq< 2.90-1
Opensuse1 product
- dnsmasq&distro=openSUSE Tumbleweed< 2.90-2.1
Thekelleys1 product
- dnsmasq2.9
Ubuntu1 product
- dnsmasq< 2.90-0ubuntu0.16.04.1+esm1 | < 2.90-0ubuntu0.18.04.1+esm1 | < 2.90-0ubuntu0.20.04.1 | < 2.90-0ubuntu0.22.04.1
4 vendors · 4 products
