CVE catalog

CVE-2025-12206

kamailio affected and fixed versions

[CVE catalog]

A flaw has been found in Kamailio 5.5. The impacted element is the function rve_is_constant of the file src/core/rvalue.c. This manipulation causes null pointer dereference. The attack needs to be launched locally. The exploit has been published and may be used. It is still unclear if this vulnerability genuinely exists. This attack requires manipulating config files which might not be a realistic scenario in many cases. The vendor was contacted early about this disclosure but did not respond in any way.

Severity
Low · CVSS 1.9CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
Source
[NVD] · [CVE record]
EPSS
0.24% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [
    {
      "name": "kamailio",
      "status": "vulnerable",
      "release": "sid",
      "version": "6.1.5-1"
    },
    {
      "name": "kamailio",
      "status": "vulnerable",
      "release": "forky",
      "version": "6.1.5-1"
    },
    {
      "name": "kamailio",
      "status": "vulnerable",
      "release": "trixie",
      "version": "6.0.1-1+deb13u1"
    },
    {
      "name": "kamailio",
      "status": "vulnerable",
      "release": "trixie-security",
      "version": "6.0.1-1+deb13u2"
    },
    {
      "name": "kamailio",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "5.6.3-2"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "kamailio",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": null,
      "name": "kamailio",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": null,
      "name": "kamailio",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": null,
      "name": "kamailio",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "kamailio",
      "ranges": [],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2025-12206"
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [kamailio]Unknown
    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-autheph-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-berkeley-bin]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-berkeley-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-cnxcc-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-cpl-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-erlang-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-extra-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-geoip2-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-geoip-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-ims-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-json-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-kazoo-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-ldap-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-lua-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-lwsc-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-memcached-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-mongodb-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-mono-modules]Unknown

    Source package: [kamailio]

    Details (1)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

  • [kamailio-mqtt-modules]Unknown

    Source package: [kamailio]

    Details (2)

    • 5.6.3-2 · amd64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

    • 5.6.3-2 · arm64 · bookworm

      Affected

      dsa · kamailio · debian · bookworm; dsa · kamailio · debian · 12

Next results

Observed:

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]