CVE-2023-4236

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Source
https://cve.org/CVERecord?id=CVE-2023-4236
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-4236.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-4236
Downstream
Related
Published
2023-09-20T13:15:12.313Z
Modified
2026-03-20T12:30:23.234403Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A flaw in the networking code handling DNS-over-TLS queries may cause named to terminate unexpectedly due to an assertion failure. This happens when internal data structures are incorrectly reused under significant DNS-over-TLS query load. This issue affects BIND 9 versions 9.18.0 through 9.18.18 and 9.18.11-S1 through 9.18.18-S1.

References

Affected packages

Git / gitlab.isc.org/isc-projects/bind9

Affected ranges

Type
GIT
Repo
https://gitlab.isc.org/isc-projects/bind9
Events
Introduced
8db45afa1affcb823e68afdeddedf93e136f5d3e
Fixed
1f8de2f0aa6a47e299fbd8e66921fbcb4c5f64dc
Database specific 
{
    "versions": [
        {
            "introduced": "9.18.0"
        },
        {
            "fixed": "9.18.18"
        }
    ]
}

Affected versions

v9.*
v9.18.0
v9.18.10
v9.18.11
v9.18.12
v9.18.13
v9.18.14
v9.18.15
v9.18.16
v9.18.17
v9.18.2
v9.18.3
v9.18.4
v9.18.5
v9.18.6
v9.18.7
v9.18.8
v9.18.9

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-4236.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.18.11-s1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.18.18-s1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "37"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "38"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "39"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "11.0"
            }
        ]
    }
]