CVE-2026-82608 (GCVE-0-2026-82608)

Vulnerability from cvelistv5 – Published: 2026-08-31 02:45 – Updated: 2026-08-31 15:56 X_Open Source
VLAI
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."
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 15:56 UTC
CWE
Impacted products
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:*:*:*:*:*:*:*:*
Show details on NVD website

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            "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": "2026-08-31T15:56:47.519Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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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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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