CVE-2015-3294: The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read…

PriorityP429medium6.4CVSS 2.0

AVNACLAuNCPINAP

EPSS

4.46%

90.2th percentile

The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	dnsmasq	< dnsmasq 2.72-3.1 (bookworm)	dnsmasq 2.72-3.1 (bookworm)
oracle	solaris	—	—
thekelleys	dnsmasq	<= 2.73	—
thekelleys	dnsmasq	>= 0 < 2.72-3.1	2.72-3.1
thekelleys	dnsmasq	>= 0 < 2.72-3.1	2.72-3.1
thekelleys	dnsmasq	>= 0 < 2.72-3.1	2.72-3.1
thekelleys	dnsmasq	>= 0 < 2.72-3.1	2.72-3.1

CVSS provenance

nvdv2.06.4MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:P

osv6.4MEDIUM

vendor_debian6.4MEDIUM

vendor_redhat6.4MEDIUM

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.