strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP)
Published Oct 14, 2008
5.0
MEDIUMCVSS 2.0
EPSS 2.52%
Description
strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).
Affected products
No data.
- ≤ 4.2.6
- 2.0.0
- 2.0.1
- 2.0.2
- 2.1.0
- 2.1.1
- 2.1.2
- 2.1.3
- 2.1.4
- 2.1.5
- 2.2.0
- 2.2.1
- 2.2.2
- 2.3.0
- 2.3.1
- 2.3.2
- 2.4.0
- 2.4.0a
- 2.4.1
- 2.4.2
- 2.4.3
- 2.5.0
- 2.5.1
- 2.5.2
- 2.5.3
- 2.5.4
- 2.5.5
- 2.5.6
- 2.5.7
- 2.6.0
- 2.6.1
- 2.6.2
- 2.6.3
- 2.6.4
- 2.7.0
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.0.6
- 4.0.7
- 4.1.0
- 4.1.1
- 4.1.2
- 4.1.3
- 4.1.4
- 4.1.5
- 4.1.6
- 4.1.7
- 4.1.8
- 4.1.9
- 4.1.10
- 4.1.11
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.2.4
- 4.2.5
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.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.52% (0.02517) | 84.26th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.52% (0.02517) | 82.71th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.24% (0.01238) | 77.86th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.54% (0.02535) | 90.56th | v3 (v2023.03.01) |
| Feb 11, 2024 | 2.54% (0.02535) | 89.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.35% (0.02351) | 88.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (6)
- http://download.strongswan.org/CHANGES4.txt x_refsource_CONFIRM
- http://labs.mudynamics.com/advisories/MU-200809-01.txt x_refsource_MISC
- http://secunia.com/advisories/31963 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.securityfocus.com/bid/31291 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1020903 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2008/2660 vdb-entryx_refsource_VUPEN
| Link | Providers | Tags |
|---|---|---|
| http://download.strongswan.org/CHANGES4.txt | x_refsource_CONFIRM | |
| http://labs.mudynamics.com/advisories/MU-200809-01.txt | x_refsource_MISC | |
| http://secunia.com/advisories/31963 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.securityfocus.com/bid/31291 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1020903 | vdb-entryx_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2008/2660 | vdb-entryx_refsource_VUPEN |
Change history (0)
No recorded changes yet.