CVE-2026-2291
CVE-2026-2291
Published: May 11, 2026Updated: Jul 20, 2026 Sources: CVE List NVD
Description
dnsmasqs extract_name() function can be abused to cause a heap buffer overflow, allowing an attacker to inject false DNS cache entries, which could result in DNS lookups to redirect to an attacker-controlled IP address, or to cause a DoS.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:LConfidentialityLow
I:LIntegrityLow
A:LAvailabilityLow
Affected Products
dnsmasq
oss-project
Exploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
References
https://github.com/NixOS/nixpkgs/pull/519082
github.com
https://github.com/NixOS/nixpkgs/pull/519093
github.com
https://github.com/pi-hole/FTL/releases/tag/v6.6.2
github.com
and 5 more references View all →
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