High severity7.5NVD Advisory· Published Mar 15, 2023· Updated Jun 17, 2026
CVE-2023-28097
CVE-2023-28097
Description
OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Prior to versions 3.1.9 and 3.2.6, a malformed SIP message containing a large _Content-Length_ value and a specially crafted Request-URI causes a segmentation fault in OpenSIPS. This issue occurs when a large amount of shared memory using the -m flag was allocated to OpenSIPS, such as 10 GB of RAM. On the test system, this issue occurred when shared memory was set to 2362 or higher. This issue is fixed in versions 3.1.9 and 3.2.6. The only workaround is to guarantee that the Content-Length value of input messages is never larger than 2147483647.
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Affected products
3Patches
Vulnerability mechanics
References
3- github.com/OpenSIPS/opensips/commit/7cab422e2fc648f910abba34f3f0dbb3ae171ff5nvdPatchThird Party Advisory
- github.com/OpenSIPS/opensips/security/advisories/GHSA-c6j5-f4h4-2xrqnvdThird Party Advisory
- opensips.org/pub/audit-2022/opensips-audit-technical-report-full.pdfnvdVendor Advisory
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