- Description
- An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions. This issue affects BIND 9 versions 9.18.36 through 9.18.48, 9.20.8 through 9.20.22, 9.21.7 through 9.21.21, 9.18.36-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1.
- Source
- security-officer@isc.org
- NVD status
- Analyzed
- Products
- bind
CVSS 3.1
- Type
- Primary
- Base score
- 5.3
- Impact score
- 1.4
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Severity
- MEDIUM
- security-officer@isc.org
- CWE-606
- Hype score
- Not currently trending
【BINDに複数脆弱性、DNS運用者は更新確認を】 JVNは、BINDに複数の脆弱性が存在すると公表しました。 対象には CVE-2026-3039、CVE-2026-3592、CVE-2026-3593、CVE-2026-5946、CVE-2026-5947、CVE-2026-5950 が含まれ、サービス運用
@01ra66it
25 May 2026
209 Impressions
1 Retweet
2 Likes
0 Bookmarks
0 Replies
0 Quotes
【ISC BINDに複数脆弱性、DNS可用性への影響に注意】 JVNは、ISC BINDにおける複数の脆弱性を公開しました。対象にはCVE-2026-3039、CVE-2026-3592、CVE-2026-3593、CVE-2026-5946、CVE-2026-5947、CVE-2026-5950が含まれ、DoS、メモリ破
@01ra66it
23 May 2026
167 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
【BIND 9に複数脆弱性、DNS運用者は更新確認を】 JVNは、ISC BINDにおける複数の脆弱性を公表しました。対象にはCVE-2026-3039、CVE-2026-3592、CVE-2026-3593、CVE-2026-5946、CVE-2026-5947、CVE-2026-5950が含まれます。
@01ra66it
21 May 2026
202 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
JVNVU#99225456: ISC BINDにおける複数の脆弱性(2026年5月) https://t.co/CVPAVe4C8c "遠隔の攻撃者によって、サービス運用妨害(DoS)攻撃を引き起こされる(CVE-2026-3039、CVE-2026-3592、CVE-2026-5946、CVE-2026-5947、CVE-2026-5950)" h
@catnap707
21 May 2026
181 Impressions
0 Retweets
0 Likes
1 Bookmark
0 Replies
0 Quotes
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*",
"matchCriteriaId": "DB942412-011D-485F-AEB1-5A3F9BA84740",
"versionEndExcluding": "9.18.49",
"versionStartIncluding": "9.18.36",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*",
"matchCriteriaId": "786BBEB0-8B23-45D4-B617-F6AE5BFD8119",
"versionEndExcluding": "9.20.23",
"versionStartIncluding": "9.20.8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*",
"matchCriteriaId": "CF4032B3-0505-4FC5-AA16-BB2086187785",
"versionEndExcluding": "9.21.21",
"versionStartIncluding": "9.21.7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]