{"id":"DEBIAN-CVE-2026-1425","details":"A security flaw has been discovered in pymumu SmartDNS up to 47.1. This vulnerability affects the function _dns_decode_rr_head/_dns_decode_SVCB_HTTPS of the file src/dns.c of the component SVBC Record Parser. The manipulation results in stack-based buffer overflow. It is possible to launch the attack remotely. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The patch is identified as 2d57c4b4e1add9b4537aeb403f794a084727e1c8. Applying a patch is advised to resolve this issue.","modified":"2026-09-14T17:02:45.758682733Z","published":"2026-01-26T08:16:00.490Z","upstream":["CVE-2026-1425"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-1425"}],"affected":[{"package":{"name":"smartdns","ecosystem":"Debian:12","purl":"pkg:deb/debian/smartdns?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["40+dfsg-1","42+dfsg-1","43+dfsg-1","45+dfsg-1","46+dfsg-1","46.1+dfsg-1","46.1+dfsg-1.1","46.1+dfsg-1.1~deb13u1","48.2+dfsg-1","48.3+dfsg-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-1425.json"}},{"package":{"name":"smartdns","ecosystem":"Debian:13","purl":"pkg:deb/debian/smartdns?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"46.1+dfsg-1.1~deb13u1"}]}],"versions":["46.1+dfsg-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-1425.json"}},{"package":{"name":"smartdns","ecosystem":"Debian:14","purl":"pkg:deb/debian/smartdns?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"46.1+dfsg-1.1"}]}],"versions":["46.1+dfsg-1","46.1+dfsg-1.1~deb13u1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-1425.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}