How severe is CVE-2023-49441?

CVE-2023-49441 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-49441 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49441?

CVE-2023-49441 affects Thekelleys Dnsmasq. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49441?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-49441 have an EU (EUVD) identifier?

Yes. CVE-2023-49441 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53405.

When was CVE-2023-49441 published?

CVE-2023-49441 was published on 2024-06-06 and last updated on 2026-06-17.

CVE-2023-49441

CVE-2023-49441 is a high-severity vulnerability in Thekelleys Dnsmasq with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-53405
Weakness: CWE-190
Affected product: Thekelleys Dnsmasq
Published: 2024-06-06
Last modified: 2026-06-17

Description

dnsmasq 2.9 is vulnerable to Integer Overflow via forward_query.

Frequently asked questions

What is CVE-2023-49441?: dnsmasq 2.9 is vulnerable to Integer Overflow via forward_query.
How severe is CVE-2023-49441?: CVE-2023-49441 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-49441 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49441?: CVE-2023-49441 affects Thekelleys Dnsmasq. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49441?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-49441 have an EU (EUVD) identifier?: Yes. CVE-2023-49441 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53405.
When was CVE-2023-49441 published?: CVE-2023-49441 was published on 2024-06-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:thekelleys:dnsmasq:2.9:*:*:*:*:*:*:*

More vulnerabilities in Thekelleys Dnsmasq

CVE-2021-45957 — Critical (CVSS 9.8): Dnsmasq 2.86 has a heap-based buffer overflow in answer_request (called from FuzzAnswerTheRequest and fuzz_rfc1035.c).…
CVE-2021-45956 — Critical (CVSS 9.8): Dnsmasq 2.86 has a heap-based buffer overflow in print_mac (called from log_packet and dhcp_reply). NOTE: the vendor's…
CVE-2021-45955 — Critical (CVSS 9.8): Dnsmasq 2.86 has a heap-based buffer overflow in resize_packet (called from FuzzResizePacket and fuzz_rfc1035.c)…
CVE-2021-45954 — Critical (CVSS 9.8): Dnsmasq 2.86 has a heap-based buffer overflow in extract_name (called from answer_auth and FuzzAuth). NOTE: the…
CVE-2021-45953 — Critical (CVSS 9.8): Dnsmasq 2.86 has a heap-based buffer overflow in extract_name (called from hash_questions and fuzz_util.c). NOTE: the…
CVE-2021-45952 — Critical (CVSS 9.8): Dnsmasq 2.86 has a heap-based buffer overflow in dhcp_reply (called from dhcp_packet and FuzzDhcp). NOTE: the vendor's…

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Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

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CVE-2025-64721 — Critical (CVSS 10.0): Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions…
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CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2013-2555 — Critical (CVSS 10.0): Integer overflow in Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before…

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