{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-7829/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-07-01T03:33:22.888Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-7829","@id":"https://www.cve.org/CVERecord?id=CVE-2026-7829","description":"UltraVNC repeater through 1.8.2.2 contains a post-authentication out-of-bounds write in the allow/deny rule parser. In repeater/webgui/settings.c:225-272, after strncpy_s copies a rule token into temp1[rule1] (25-byte destination) or temp2/temp3 (16-byte destination), the code unconditionally writes a NUL terminator at temp1[rule1][len] = 0 without clamping len to the destination size. When an authenticated administrator saves a rule with a token length equal to or greater than the destination s"},"products":[{"@id":"cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-07-01T03:33:22.888Z"}]}