A Buffer Overflow issue was discovered in Kamailio before 4.4.7, 5.0.x before 5.0.6, and 5.1.x before 5.1.2
Published Mar 20, 2018
9.8
CRITICALCVSS 3.0
EPSS 30.41%
Description
A Buffer Overflow issue was discovered in Kamailio before 4.4.7, 5.0.x before 5.0.6, and 5.1.x before 5.1.2. A specially crafted REGISTER message with a malformed branch or From tag triggers an off-by-one heap-based buffer overflow in the tmx_check_pretran function in modules/tmx/tmx_pretran.c.
Affected products
No data.
Configuration 1
Configuration 2
- 8.0
- 9.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (30 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 30.41% (0.30411) | 98.18th | v5 (v2026.06.15) |
| Sep 22, 2026 | 30.41% (0.30411) | 98.15th | v5 (v2026.06.15) |
| Sep 21, 2026 | 27.37% (0.27369) | 98.02th | v5 (v2026.06.15) |
| Sep 6, 2026 | 30.41% (0.30411) | 98.11th | v5 (v2026.06.15) |
| Sep 5, 2026 | 27.37% (0.27369) | 97.98th | v5 (v2026.06.15) |
| Aug 30, 2026 | 30.41% (0.30411) | 98.10th | v5 (v2026.06.15) |
| Aug 28, 2026 | 27.53% (0.27531) | 97.98th | v5 (v2026.06.15) |
| Aug 24, 2026 | 30.92% (0.30918) | 98.11th | v5 (v2026.06.15) |
| Aug 23, 2026 | 27.53% (0.27531) | 97.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 31.34% (0.31338) | 98.04th | v5 (v2026.06.15) |
| May 27, 2026 | 0.93% (0.00929) | 76.37th | v4 (v2025.03.14) |
| Nov 21, 2025 | 3.29% (0.03292) | 86.73th | v4 (v2025.03.14) |
| Nov 18, 2025 | 0.68% (0.00678) | 69.24th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.96% (0.03965) | 87.30th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.98% (0.07980) | 86.54th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.64% (0.03643) | 87.06th | v4 (v2025.03.14) |
| Dec 12, 2024 | 13.95% (0.13952) | 95.88th | v3 (v2023.03.01) |
| Oct 14, 2023 | 13.95% (0.13952) | 95.02th | v3 (v2023.03.01) |
| Sep 20, 2023 | 18.49% (0.18490) | 95.57th | v3 (v2023.03.01) |
| Aug 11, 2023 | 23.99% (0.23993) | 95.98th | v3 (v2023.03.01) |
| Mar 14, 2023 | 28.01% (0.28011) | 96.09th | v3 (v2023.03.01) |
| Mar 7, 2023 | 35.40% (0.35403) | 96.42th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01040) | 28.32th | v1 |
| Jan 6, 2022 | 1.04% (0.01040) | 27.69th | v1 |
| Sep 1, 2021 | 1.04% (0.01040) | 64.49th | v1 |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (4)
- https://github.com/EnableSecurity/advisories/tree/master/ES2018-05-kamailio-heap-overflow x_refsource_MISCThird Party Advisory
- https://github.com/kamailio/kamailio/commit/e1d8008a09d9390ebaf698abe8909e10dfec4097 x_refsource_MISCPatchThird Party Advisory
- https://usn.ubuntu.com/4240-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.debian.org/security/2018/dsa-4148 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/EnableSecurity/advisories/tree/master/ES2018-05-kamailio-heap-overflow | x_refsource_MISCThird Party Advisory | |
| https://github.com/kamailio/kamailio/commit/e1d8008a09d9390ebaf698abe8909e10dfec4097 | x_refsource_MISCPatchThird Party Advisory | |
| https://usn.ubuntu.com/4240-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.debian.org/security/2018/dsa-4148 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.