CVE-2024-4076 | BDVDB-2026-243421 Detail

ISCBIND 9

Description#

Client queries that trigger serving stale data and that also require lookups in local authoritative zone data may result in an assertion failure. This issue affects BIND 9 versions 9.16.13 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.11.33-S1 through 9.11.37-S1, 9.16.13-S1 through 9.16.50-S1, and 9.18.11-S1 through 9.18.27-S1.

Impact#

A `named` instance vulnerable to this logic error may terminate unexpectedly.

Weaknesses#

CWE-617 Reachable Assertion

References#

Exploit#

No public exploit known

History#

Version 12024-07-23Record published in the CVE List.
Version 22025-02-13Most recent update recorded in the CVE List.

Published

Published: 2024-07-23
Last modified: 2025-02-13

Vendor information

Vendor: ISC
Product: BIND 9

All ISC vulnerabilities

Score

7.5 High

EPSS

2.1%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 81.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 9.16.13 and <= 9.16.50
Fixed
Not stated
Vulnerable
>= 9.18.0 and <= 9.18.27
Fixed
Not stated
Vulnerable
>= 9.19.0 and <= 9.19.24
Fixed
Not stated
Vulnerable
>= 9.11.33-S1 and <= 9.11.37-S1
Fixed
Not stated
Vulnerable
>= 9.16.13-S1 and <= 9.16.50-S1
Fixed
Not stated
Vulnerable
>= 9.18.11-S1 and <= 9.18.27-S1
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).