CVE-2021-41990
7.5 HIGHThe gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature
Published: 2021-10-18 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.5 HIGH
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CWE
- CWE-190
Affected products
| Vendor | Product |
|---|---|
| debian | 6gk5615-0aa00-2aa2_firmware, 6gk5804-0ap00-2aa2_firmware, 6gk5812-1aa00-2aa2_firmware |
| fedoraproject | 6gk5615-0aa00-2aa2_firmware, 6gk5804-0ap00-2aa2_firmware, 6gk5812-1aa00-2aa2_firmware |
| siemens | 6gk5615-0aa00-2aa2_firmware, 6gk5804-0ap00-2aa2_firmware, 6gk5812-1aa00-2aa2_firmware |
| strongswan | 6gk5615-0aa00-2aa2_firmware, 6gk5804-0ap00-2aa2_firmware, 6gk5812-1aa00-2aa2_firmware |
Description
The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-41990
- [Other]https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf
- [Other]https://github.com/strongswan/strongswan/releases/tag/5.9.4
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQSQ3BEC22NF4NCDZVCT4P3Q2ZIAJXGJ/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3TQ32JLJOBJDB2EJKSX2PBPB5NFG2D4/
- [Other]https://www.debian.org/security/2021/dsa-4989
- [Other]https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-%28cve-2021-41990%29.html
- [Other]https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf
- [Other]https://github.com/strongswan/strongswan/releases/tag/5.9.4
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQSQ3BEC22NF4NCDZVCT4P3Q2ZIAJXGJ/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3TQ32JLJOBJDB2EJKSX2PBPB5NFG2D4/
- [Other]https://www.debian.org/security/2021/dsa-4989
- [Other]https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-%28cve-2021-41990%29.html
Related CVEs
Same vendor
- CVE-2026-46749 — A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6) (7.5 HIGH)
- CVE-2026-46748 — A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6) (8.8 HIGH)
- CVE-2026-46747 — A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6) (4.3 MEDIUM)
- CVE-2026-46746 — A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6) (8.8 HIGH)
- CVE-2026-49975 — Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP ... (7.5 HIGH)
Same CWE
- CVE-2026-10649 — A flaw was found in Pacemaker (8.6 HIGH)
- CVE-2026-53705 — A flaw was found in GStreamer's WavPack audio decoder in gst-plugins-good (7.6 HIGH)
- CVE-2026-52722 — A signed integer overflow vulnerability was found in GStreamer's VMnc decoder (7.1 HIGH)
- CVE-2025-55647 — An Out-of-Memory in the mp4_mux_cenc_insert_pssh function (filters/mux_isom.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of ... (5.5 MEDIUM)
- CVE-2026-6045 — LibreOffice can import EMF+ graphics, which may be embedded in documents