CVE-2026-82608 (GCVE-0-2026-82608)
Vulnerability from cvelistv5 – Published: 2026-08-31 02:45 – Updated: 2026-08-31 02:45 X_Open Source
VLAI
EPSS
VEX
Title
Kamailio AVP cxdx_avp.c get_4bytes out-of-bounds
Summary
A vulnerability was determined in Kamailio up to 5.5.0/6.0.7. This affects the function get_4bytes of the file src/modules/ims_registrar_scscf/cxdx_avp.c of the component AVP Handler. Executing a manipulation can lead to out-of-bounds read. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. This patch is called abb5d60af6eefbd367bf6588c5589566b090e272. It is advisable to implement a patch to correct this issue. The vendor points out, that "[v]ersion 5.5.0 is old and not maintained anymore."
Severity
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397109 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397109/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82608 | third-party-advisory |
| https://vuldb.com/submit/892903 | third-party-advisory |
| https://github.com/kamailio/kamailio/issues/4816 | exploitissue-tracking |
| https://github.com/Kamailio/Kamailio/pull/4823 | issue-trackingpatch |
| https://github.com/Kamailio/Kamailio/commit/abb5d… | patch |
| https://github.com/kamailio/kamailio/ | product |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | Kamailio |
Affected:
5.0
Affected: 5.1 Affected: 5.2 Affected: 5.3 Affected: 5.4 Affected: 5.5.0 Affected: 6.0.0 Affected: 6.0.1 Affected: 6.0.2 Affected: 6.0.3 Affected: 6.0.4 Affected: 6.0.5 Affected: 6.0.6 Affected: 6.0.7 cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:* |
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*"
],
"modules": [
"AVP Handler"
],
"product": "Kamailio",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "5.0"
},
{
"status": "affected",
"version": "5.1"
},
{
"status": "affected",
"version": "5.2"
},
{
"status": "affected",
"version": "5.3"
},
{
"status": "affected",
"version": "5.4"
},
{
"status": "affected",
"version": "5.5.0"
},
{
"status": "affected",
"version": "6.0.0"
},
{
"status": "affected",
"version": "6.0.1"
},
{
"status": "affected",
"version": "6.0.2"
},
{
"status": "affected",
"version": "6.0.3"
},
{
"status": "affected",
"version": "6.0.4"
},
{
"status": "affected",
"version": "6.0.5"
},
{
"status": "affected",
"version": "6.0.6"
},
{
"status": "affected",
"version": "6.0.7"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Hancl (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was determined in Kamailio up to 5.5.0/6.0.7. This affects the function get_4bytes of the file src/modules/ims_registrar_scscf/cxdx_avp.c of the component AVP Handler. Executing a manipulation can lead to out-of-bounds read. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. This patch is called abb5d60af6eefbd367bf6588c5589566b090e272. It is advisable to implement a patch to correct this issue. The vendor points out, that \"[v]ersion 5.5.0 is old and not maintained anymore.\""
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 7.4,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 7.4,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 6.5,
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "Out-of-Bounds Read",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-119",
"description": "Memory Corruption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-31T02:45:10.036Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-397109 | Kamailio AVP cxdx_avp.c get_4bytes out-of-bounds",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/397109"
},
{
"name": "VDB-397109 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/397109/cti"
},
{
"name": "CVE-2026-82608 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-82608"
},
{
"name": "Submit #892903 | Kamailio 6.0.7+ Out-of-Bounds Read",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/892903"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/kamailio/kamailio/issues/4816"
},
{
"tags": [
"issue-tracking",
"patch"
],
"url": "https://github.com/Kamailio/Kamailio/pull/4823"
},
{
"tags": [
"patch"
],
"url": "https://github.com/Kamailio/Kamailio/commit/abb5d60af6eefbd367bf6588c5589566b090e272"
},
{
"tags": [
"product"
],
"url": "https://github.com/kamailio/kamailio/"
}
],
"tags": [
"x_open-source"
],
"timeline": [
{
"lang": "en",
"time": "2026-08-30T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-08-30T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-08-30T09:39:36.000Z",
"value": "VulDB entry last update"
}
],
"title": "Kamailio AVP cxdx_avp.c get_4bytes out-of-bounds",
"x_generator": [
"VulDB PVTS v202608"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-82608",
"datePublished": "2026-08-31T02:45:10.036Z",
"dateReserved": "2026-08-30T07:34:31.368Z",
"dateUpdated": "2026-08-31T02:45:10.036Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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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.
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.
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