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dnsmasq: RRSIG rdlen underflow leading to heap OOB read
| Reporter | Title | Published | Views | Family All 115 |
|---|---|---|---|---|
 | CVE-2026-4891 | 11 May 202616:47 | – | attackerkb |
 | Amazon Linux 2023 : dnsmasq, dnsmasq-utils (ALAS2023-2026-1729) | 26 May 202600:00 | – | nessus |
| Amazon Linux 2 : dnsmasq, --advisory ALAS2DNSMASQ-2026-004 (ALASDNSMASQ-2026-004) | 27 May 202600:00 | – | nessus |
| AlmaLinux 8 : dnsmasq (ALSA-2026:20589) | 27 May 202600:00 | – | nessus |
| Debian dla-4625 : dnsmasq - security update | 11 Jun 202600:00 | – | nessus |
| Debian dsa-6264 : dnsmasq - security update | 11 May 202600:00 | – | nessus |
| Fedora 43 : dnsmasq (2026-6384a3cf14) | 19 May 202600:00 | – | nessus |
| Fedora 44 : dnsmasq (2026-ac5cceec13) | 15 May 202600:00 | – | nessus |
| FreeBSD : dnsmasq -- multiple vulnerabilities (eeb4d69a-4d74-11f1-9a9c-994b98c88011) | 12 May 202600:00 | – | nessus |
| MiracleLinux 9 : dnsmasq-2.85-18.el9_8.1 (AXSA:2026-1206:06) | 7 Jul 202600:00 | – | nessus |
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| OS | OS Version | Architecture | Package | Package Version | Filename |
|---|---|---|---|---|---|
| Red Hat Enterprise Linux | 9.8 | aarch64 | dnsmasq | 2.85-18.el9_8.1 | dnsmasq-2.85-18.el9_8.1.aarch64.rpm |
| Red Hat Enterprise Linux | 9.8 | ppc64le | dnsmasq | 2.85-18.el9_8.1 | dnsmasq-2.85-18.el9_8.1.ppc64le.rpm |
| Red Hat Enterprise Linux | 9.8 | s390x | dnsmasq | 2.85-18.el9_8.1 | dnsmasq-2.85-18.el9_8.1.s390x.rpm |
| Red Hat Enterprise Linux | 9.8 | x86_64 | dnsmasq | 2.85-18.el9_8.1 | dnsmasq-2.85-18.el9_8.1.x86_64.rpm |
| Red Hat Enterprise Linux | 9.8 | aarch64 | dnsmasq-debuginfo | 2.85-18.el9_8.1 | dnsmasq-debuginfo-2.85-18.el9_8.1.aarch64.rpm |
| Red Hat Enterprise Linux | 9.8 | ppc64le | dnsmasq-debuginfo | 2.85-18.el9_8.1 | dnsmasq-debuginfo-2.85-18.el9_8.1.ppc64le.rpm |
| Red Hat Enterprise Linux | 9.8 | s390x | dnsmasq-debuginfo | 2.85-18.el9_8.1 | dnsmasq-debuginfo-2.85-18.el9_8.1.s390x.rpm |
| Red Hat Enterprise Linux | 9.8 | x86_64 | dnsmasq-debuginfo | 2.85-18.el9_8.1 | dnsmasq-debuginfo-2.85-18.el9_8.1.x86_64.rpm |
| Red Hat Enterprise Linux | 9.8 | aarch64 | dnsmasq-debugsource | 2.85-18.el9_8.1 | dnsmasq-debugsource-2.85-18.el9_8.1.aarch64.rpm |
| Red Hat Enterprise Linux | 9.8 | ppc64le | dnsmasq-debugsource | 2.85-18.el9_8.1 | dnsmasq-debugsource-2.85-18.el9_8.1.ppc64le.rpm |
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22 Jul 2026 15:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.06226
SSVC