CLSA-2026-1779437548

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779437548.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1779437548
Upstream
  • CVE-2026-2291
  • CVE-2026-4890
  • CVE-2026-4891
  • CVE-2026-4892
  • CVE-2026-4893
Published
2026-05-22T08:12:32Z
Modified
2026-06-01T00:32:54.402584685Z
Summary
dnsmasq: Fix of 5 CVEs
Details
  • CVE-2026-2291: fix buffer overflow in union bigname
  • CVE-2026-4890: fix NSEC bitmap parsing infinite loop and OOB reads
  • CVE-2026-4891: verify rdlen field in RRSIG packets
  • CVE-2026-4892: fix buffer overflow in helper.c with large CLIDs
  • CVE-2026-4893: fix broken client subnet validation
References

Affected packages

TuxCare:AlmaLinux:9.6 / dnsmasq

Package

Name
dnsmasq
Purl
pkg:rpm/tuxcare/dnsmasq?distro=almalinux-9.6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.85-17.el9_6.tuxcare.els1

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779437548.json"

TuxCare:AlmaLinux:9.6 / dnsmasq-utils

Package

Name
dnsmasq-utils
Purl
pkg:rpm/tuxcare/dnsmasq-utils?distro=almalinux-9.6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.85-17.el9_6.tuxcare.els1

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1779437548.json"