CVE-2026-36670

CVE-2026-36670 A time-based blind SQL injection exploit for the OpenSIPS Control Panel. This exploit abuses an authenticated sql injection vulnerability within the aliasmanagement.php module of opensips. The table GET parameter is improperly sanitized, allowing an attacker to inject a crafted...

CVE-2026-45538

OpenSIPS is a Session Initiation Protocol SIP server implementation. In versions 4.0.0 and prior, processing a SIP message with a header name longer than 255 bytes causes a stack buffer overflow when siptojson is called in the routing script. Function siptojson modules/sipmsgops/sipmsgops.c copie...

CVE-2023-28098

OpenSIPS is a Session Initiation Protocol SIP server implementation. Prior to versions 3.1.7 and 3.2.4, a specially crafted Authorization header causes OpenSIPS to crash or behave in an unexpected way due to a bug in the function parseparamname . This issue was discovered while performing coverag...

CVE-2026-45537

OpenSIPS is a Session Initiation Protocol SIP server implementation. In versions prior to 3.6.6 and 4.0.0-rc1, the constructuri function concatenates multiple URI components protocol, username, domain, port, params into a fixed 1024-byte global BSS buffer without any bounds checking. When a routi...

CVE-2026-45705

OpenSIPS is a Session Initiation Protocol SIP server implementation. In versions prior to 3.6.6 and 4.0.0-rc1, the findlinedelimiter function in the multipart body parser performs an out-of-bounds read via strncmp when searching for MIME boundary delimiters. After finding a -- pattern near the en...

CVE-2023-27597

OpenSIPS is a Session Initiation Protocol SIP server implementation. Prior to versions 3.1.8 and 3.2.5, when a specially crafted SIP message is processed by the function rewriteruri, a crash occurs due to a segmentation fault. This issue causes the server to crash. It affects configurations...

CVE-2023-27599

OpenSIPS is a Session Initiation Protocol SIP server implementation. Prior to versions 3.1.7 and 3.2.4, when the function appendhf handles a SIP message with a malformed To header, a call to the function abort is performed, resulting in a crash. This is due to the following check in datalump.c:39...

CVE-2023-27600

OpenSIPS is a Session Initiation Protocol SIP server implementation. Prior to versions 3.1.7 and 3.2.4, OpenSIPS crashes when a malformed SDP body is received and is processed by the deletesdpline function in the sipmsgops module. This issue can be reproduced by calling the function with an SDP...

CVE-2023-28095

OpenSIPS is a Session Initiation Protocol SIP server implementation. Versions prior to 3.1.7 and 3.2.4 have a potential issue in msgtranslator.c:2628 which might lead to a server crash. This issue was found while fuzzing the function buildresbuffromsipreq but could not be reproduced against a...

CVE-2026-25554

OpenSIPS versions 3.1 before 3.6.4 containing the authjwt module prior to commit 3822d33 contain a SQL injection vulnerability in the jwtdbauthorize function in modules/authjwt/authorize.c when dbmode is enabled and a SQL database backend is used. The function extracts the tag claim from a JWT...

CVE-2026-45103

OpenSIPS is a Session Initiation Protocol SIP server implementation. In versions prior to 3.6.6 and 4.0.0-rc1, the TCP message framing layer parses the Content-Length header using unsigned int arithmetic with no overflow check. When an attacker sends a Content-Length value that overflows unsigned...

CVE-2023-27596

OpenSIPS is a Session Initiation Protocol SIP server implementation. Prior to versions 3.1.8 and 3.2.5, OpenSIPS crashes when a malformed SDP body is sent multiple times to an OpenSIPS configuration that makes use of the streamprocess function. This issue was discovered during coverage guided...

CVE-2023-28097

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 memo...

CVE-2026-45084

OpenSIPS is a Session Initiation Protocol SIP server implementation. Versions 3.4.0 through 3.6.5 contain a denial of service vulnerability in the presence module. When the presence module's handlepublish function processes a SIP PUBLISH request with an Event: presence header and a message body...

CVE-2026-45809

OpenSIPS is a Session Initiation Protocol SIP server implementation. Versions prior to 3.6.6 and 4.0.0-rc1 contain a denial of service vulnerability in the watcherinfo generation functionality. An attacker can create an oversized watcher entry by sending a SUBSCRIBE Event: presence request with a...

CVE-2023-28096

OpenSIPS, a Session Initiation Protocol SIP server implementation, has a memory leak starting in the 2.3 branch and priot to versions 3.1.8 and 3.2.5. The memory leak was detected in the function parsemirequest while performing coverage-guided fuzzing. This issue can be reproduced by sending...

CVE-2023-28099

OpenSIPS is a Session Initiation Protocol SIP server implementation. Prior to versions 3.1.9 and 3.2.6, if dsisinlist is used with an invalid IP address string NULL is illegal input, OpenSIPS will attempt to print a string from a random address stack garbage, which could lead to a crash. All user...

CVE-2026-110679

A vulnerability was determined in OpenSIPS up to 3.6.8/4.0.1. The impacted element is the function rtpproxyoffer/rtpproxyanswer of the component rtpproxy. This manipulation causes out-of-bounds read. The attack may be initiated remotely. Upgrading to version 3.6.9 and 4.0.2 is sufficient to resol...

CVE-2026-46334

OpenSIPS is a Session Initiation Protocol SIP server implementation. Versions prior to 3.6.6 and 4.0.0-rc1 contain a denial of service vulnerability in the SDP bandwidth-line parsing logic. A SIP request with Content-Type: application/sdp and a malformed session-level SDP bandwidth line missing t...

CVE-2023-27598

OpenSIPS is a Session Initiation Protocol SIP server implementation. Prior to versions 3.1.7 and 3.2.4, sending a malformed Via header to OpenSIPS triggers a segmentation fault when the function calctagsuffix is called. A specially crafted Via header, which is deemed correct by the parser, will...