CVE-2026-42004
| Summary |
An attacker can send a crafted EDNS OPT record that will be ignored by DNSdist’s filtering rules, but will be rewritten as a valid OPT record when EDNS Client Subnet is inserted, causing the backend to see the EDNS option(s) that DNSdist did not filter.
|
| Publication Date |
June 25, 2026, 10:16 p.m. |
| Registration Date |
June 27, 2026, 4:28 a.m. |
| Last Update |
June 26, 2026, 12:59 a.m. |
|
CVSS3.1 : LOW
|
| スコア |
3.7
|
| Vector |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
高 |
| 攻撃に必要な特権レベル(PR) |
不要 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
なし |
| 完全性への影響(I) |
低 |
| 可用性への影響(A) |
なし |
Related information, measures and tools
Common Vulnerabilities List