Use After Free in Thekelleys Dnsmasq
CVE-2022-0934
A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.
Vulnerability class: Use-After-Free
EPSS: 0.015 (71.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Thekelleys Dnsmasq
- Redhat Enterprise_linux — versions 8.0, 9.0
- N/a Dnsmasq — versions Not-Known
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Mailing List, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (x_refsource_MISC, Broken Link)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-0934?
- CVE-2022-0934 is a high-severity vulnerability in Thekelleys Dnsmasq, classified under Use After Free. CVSS score: 7.5/10. Published 2022-08-29.
- How severe is CVE-2022-0934?
- High severity. CVSS v3 base score is 7.5 out of 10.