Описание
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.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| dnsmasq | fixed | 2.92-5 | package |
Примечания
https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html
https://xchglabs.com/blog/dnsmasq-five-cves.html
Introduced with: https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=cbe379ad6b52a538a4416a7cd992817e5637ccf9 (v2.73rc5)
Fixed by: https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=014e909f787e808bb35daa546d3f8f3663918de2 (v2.93rc1)
https://blog.exodusintel.com/2026/07/20/dnsmasq-dns-remote-heap-buffer-overflow/
EPSS
Связанные уязвимости
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.
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.
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.
EPSS