CVE-2019-6469— BIND Supported Preview Edition can exit with an assertion failure if ECS is in use
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I. Basic Information for CVE-2019-6469
Vulnerability Information
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Vulnerability Title
BIND Supported Preview Edition can exit with an assertion failure if ECS is in use
Source: NVD (National Vulnerability Database)
Vulnerability Description
An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
ISC BIND 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC BIND是美国ISC公司的一套实现了DNS协议的开源软件。 ISC BIND Supported Preview Edition版本中的EDNS Client Subnet功能存在安全漏洞。攻击者可利用该漏洞造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ISC | BIND 9 Supported Preview Edition | BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition. | - |
II. Public POCs for CVE-2019-6469
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://kb.isc.org/docs/cve-2019-6469x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2019-6469
Same Patch Batch · ISC · 2019-10-09 · 9 CVEs total
| CVE-2018-5732 | A specially constructed response from a malicious server can cause a buffer overflow in dh | |
| CVE-2018-5743 | Limiting simultaneous TCP clients was ineffective | |
| CVE-2018-5744 | A specially crafted packet can cause named to leak memory | |
| CVE-2018-5745 | An assertion failure can occur if a trust anchor rolls over to an unsupported key algorith | |
| CVE-2019-6465 | Zone transfer controls for writable DLZ zones were not effective | |
| CVE-2019-6467 | An error in the nxdomain redirect feature can cause BIND to exit with an INSIST assertion | |
| CVE-2019-6468 | BIND Supported Preview Edition can exit with an assertion failure if nxdomain-redirect is | |
| CVE-2019-6471 | A race condition when discarding malformed packets can cause BIND to exit with an assertio |
IV. Related Vulnerabilities
Same vendor: ISC
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A stack use-after-return flaw in SIG(0) handling code may en - CVE-2026-3119
Authenticated query containing a TKEY record may cause named - CVE-2026-3104
Memory leak in code preparing DNSSEC proofs of non-existence - CVE-2026-1519
Excessive NSEC3 iterations cause high CPU load during insecu - CVE-2026-3608
Stack overflow in Kea daemons
V. Comments for CVE-2019-6469
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