UBUNTU-CVE-2025-9649 (CVE-2025-9649)
Vulnerability from osv_ubuntu – Published: 2025-08-29 14:15 – Updated: 2026-05-20 15:16 – Source website
VLAI
Details
A security vulnerability has been detected in appneta tcpreplay 4.5.1. Impacted is the function calc_sleep_time of the file send_packets.c. Such manipulation leads to divide by zero. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. Upgrading to version 4.5.3-beta3 is recommended to address this issue. It is advisable to upgrade the affected component. The vendor confirms in a GitHub issue reply: "Was able to reproduce in 6fcbf03 but NOT 4.5.3-beta3."
Severity
5.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tcpreplay",
"binary_version": "3.4.4-2+deb8u1ubuntu0.1~esm3"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "tcpreplay",
"purl": "pkg:deb/ubuntu/tcpreplay@3.4.4-2+deb8u1ubuntu0.1~esm3?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.4.4-2",
"3.4.4-2+deb8u1build0.16.04.1",
"3.4.4-2+deb8u1ubuntu0.1~esm1",
"3.4.4-2+deb8u1ubuntu0.1~esm2",
"3.4.4-2+deb8u1ubuntu0.1~esm3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tcpreplay",
"binary_version": "4.2.6-1ubuntu0.1~esm5"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "tcpreplay",
"purl": "pkg:deb/ubuntu/tcpreplay@4.2.6-1ubuntu0.1~esm5?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.2.6-1",
"4.2.6-1ubuntu0.1~esm1",
"4.2.6-1ubuntu0.1~esm2",
"4.2.6-1ubuntu0.1~esm3",
"4.2.6-1ubuntu0.1~esm4",
"4.2.6-1ubuntu0.1~esm5"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tcpreplay",
"binary_version": "4.3.2-1ubuntu0.1~esm3"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "tcpreplay",
"purl": "pkg:deb/ubuntu/tcpreplay@4.3.2-1ubuntu0.1~esm3?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.3.2-1build1",
"4.3.2-1ubuntu0.1~esm1",
"4.3.2-1ubuntu0.1~esm2",
"4.3.2-1ubuntu0.1~esm3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tcpreplay",
"binary_version": "4.3.4-1ubuntu0.1~esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:22.04:LTS",
"name": "tcpreplay",
"purl": "pkg:deb/ubuntu/tcpreplay@4.3.4-1ubuntu0.1~esm2?arch=source\u0026distro=esm-apps/jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.3.3-2",
"4.3.4-1",
"4.3.4-1ubuntu0.1~esm1",
"4.3.4-1ubuntu0.1~esm2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tcpreplay",
"binary_version": "4.4.4-1ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:24.04:LTS",
"name": "tcpreplay",
"purl": "pkg:deb/ubuntu/tcpreplay@4.4.4-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.4.3-1",
"4.4.4-1",
"4.4.4-1build1",
"4.4.4-1build2",
"4.4.4-1ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tcpreplay",
"binary_version": "4.5.2-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "tcpreplay",
"purl": "pkg:deb/ubuntu/tcpreplay@4.5.2-1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.5.1-1",
"4.5.2-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tcpreplay",
"binary_version": "4.5.2-1build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "tcpreplay",
"purl": "pkg:deb/ubuntu/tcpreplay@4.5.2-1build1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.5.2-1",
"4.5.2-1build1"
]
}
],
"aliases": [],
"details": "A security vulnerability has been detected in appneta tcpreplay 4.5.1. Impacted is the function calc_sleep_time of the file send_packets.c. Such manipulation leads to divide by zero. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. Upgrading to version 4.5.3-beta3 is recommended to address this issue. It is advisable to upgrade the affected component. The vendor confirms in a GitHub issue reply: \"Was able to reproduce in 6fcbf03 but NOT 4.5.3-beta3.\"",
"id": "UBUNTU-CVE-2025-9649",
"modified": "2026-05-20T15:16:00Z",
"published": "2025-08-29T14:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-9649"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-9649"
},
{
"type": "REPORT",
"url": "https://drive.google.com/file/d/16QQtZvUrMbF-i_1cGt5hNWmkn-YVyBOM/view?usp=sharing"
},
{
"type": "REPORT",
"url": "https://github.com/appneta/tcpreplay/issues/968"
},
{
"type": "REPORT",
"url": "https://github.com/appneta/tcpreplay/issues/968#issuecomment-3226338070"
},
{
"type": "REPORT",
"url": "https://vuldb.com/?ctiid.321855"
},
{
"type": "REPORT",
"url": "https://vuldb.com/?id.321855"
},
{
"type": "REPORT",
"url": "https://vuldb.com/?submit.630493"
},
{
"type": "REPORT",
"url": "https://vuldb.com/?submit.630494"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
"type": "CVSS_V4"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2025-9649"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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