Description:
The dnsmasq packages contain Dnsmasq, a lightweight DNS (Domain Name Server) forwarder and DHCP (Dynamic Host Configuration Protocol) server.
Security Fix(es):
* dnsmasq: dnsmasq: heap buffer overflow in cache via NAME_ESCAPE expansion (CVE-2026-2291)
* dnsmasq: NSEC bitmap parsing infinite loop (CVE-2026-4890)
* dnsmasq: RRSIG rdlen underflow leading to heap OOB read (CVE-2026-4891)
* dnsmasq: DHCPv6 CLID buffer overflow in helper process (CVE-2026-4892)
* dnsmasq: Broken ECS source validation bypass (CVE-2026-4893)
* dnsmasq: extract_addresses() OOB read via malformed rdlen (CVE-2026-5172)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Updated packages listed below:
| Architecture |
Package |
Checksum |
| aarch64 |
dnsmasq-utils-2.90-7.el10_2.aarch64.rpm |
084dc08f58584e1aa8fb7bf0314bac6ea6d2875b2e4d5ea0ef92ae6467a3e954 |
| aarch64 |
dnsmasq-2.90-7.el10_2.aarch64.rpm |
db23d841b2c5eb195d7684db3a8eb3377cd41e84c009db9e0262bec419614afe |
| ppc64le |
dnsmasq-utils-2.90-7.el10_2.ppc64le.rpm |
954683c8e6289166abaeaa6bfff0f1a4049272c870432e8a1525d92c7cb56692 |
| ppc64le |
dnsmasq-2.90-7.el10_2.ppc64le.rpm |
f3856a206f2837c62009833e84868497ba83197b59bd51b7430142299e3c7e6d |
| s390x |
dnsmasq-2.90-7.el10_2.s390x.rpm |
15a332757188f31e4aadfb55e33410c7ef2c50ac9c822325b534ac6479d0a5d2 |
| s390x |
dnsmasq-utils-2.90-7.el10_2.s390x.rpm |
c40e80f425a0b4cec1019c5afc1b24c10d0cacc8d4c8821f56b62e8130e56112 |
| x86_64 |
dnsmasq-utils-2.90-7.el10_2.x86_64.rpm |
733dbe00db109745abce1fa55f5389f4a59b10c0ba6770b4c75423926f274ed2 |
| x86_64 |
dnsmasq-2.90-7.el10_2.x86_64.rpm |
9dbfedf67bf7ffe5f3ddbfceac450734e61bcfccbeef8bb5d6b11272275f8d31 |
| x86_64_v2 |
dnsmasq-utils-2.90-7.el10_2.x86_64_v2.rpm |
7ea1c08a8a2899546d9f7cfd932a93daaefc402f608973a58c4aaef733f0a656 |
| x86_64_v2 |
dnsmasq-2.90-7.el10_2.x86_64_v2.rpm |
956813393855e1b4e6dec4c9918a27556c20743ced8c07d5b3ca57d1082dfe5b |
