CVE-2018-25021

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Source
https://nvd.nist.gov/vuln/detail/CVE-2018-25021
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-25021.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-25021
Downstream
Published
2021-12-13T01:15:07Z
Modified
2025-10-21T04:34:24.606046Z
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

The TCP Server module in toxcore before 0.2.8 doesn't free the TCP priority queue under certain conditions, which allows a remote attacker to exhaust the system's memory, causing a denial of service (DoS).

References

Affected packages

Git / github.com/toktok/c-toxcore

Affected ranges

Type
GIT
Repo
https://github.com/toktok/c-toxcore
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
3f35a84968f100e1e6d3c9df467fd3c82a9ebb13

Affected versions

v0.*

v0.0.0
v0.0.1
v0.0.2
v0.0.3
v0.0.4
v0.0.5
v0.1.0
v0.1.1
v0.1.10
v0.1.11
v0.1.2
v0.1.3
v0.1.4
v0.1.5
v0.1.6
v0.1.7
v0.1.8
v0.1.9
v0.2.0
v0.2.1
v0.2.2
v0.2.3
v0.2.4
v0.2.5
v0.2.6
v0.2.7

Database specific

vanir_signatures

[
    {
        "source": "https://github.com/toktok/c-toxcore/commit/3f35a84968f100e1e6d3c9df467fd3c82a9ebb13",
        "signature_version": "v1",
        "target": {
            "file": "toxcore/tox.api.h"
        },
        "digest": {
            "line_hashes": [
                "284809006286680919427161787392807523022",
                "129043644459132106917369119903605255834",
                "183095706840729272751797894355802956212",
                "333577374693175214850873859112633988887"
            ],
            "threshold": 0.9
        },
        "deprecated": false,
        "signature_type": "Line",
        "id": "CVE-2018-25021-61a6fc34"
    }
]