<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="../assets/feed.xsl"?><rss version="2.0"><channel><title>PatchTheCVE: opensips</title><link>https://patchthecve.com/</link><description>CVEs with upgrade or downgrade fix steps</description><item><title>CVE-2023-28099: OpenSIPS is a Session Initiation Protocol (SIP) server implementation</title><link>https://patchthecve.com/cve/CVE-2023-28099.html</link><guid>https://patchthecve.com/cve/CVE-2023-28099.html</guid><pubDate>Wed, 17 Jun 2026 05:46:52 +0000</pubDate><description>MEDIUM 5.9: OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Prior to versions 3.1.9 and 3.2.6, if `ds_is_in_list()` 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 cra</description></item><item><title>CVE-2023-28098: OpenSIPS is a Session Initiation Protocol (SIP) server implementation</title><link>https://patchthecve.com/cve/CVE-2023-28098.html</link><guid>https://patchthecve.com/cve/CVE-2023-28098.html</guid><pubDate>Wed, 17 Jun 2026 05:46:51 +0000</pubDate><description>MEDIUM 5.9: 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 `parse_param_name()` . This issue was discovered while performing co</description></item><item><title>CVE-2023-28097: OpenSIPS is a Session Initiation Protocol (SIP) server implementation</title><link>https://patchthecve.com/cve/CVE-2023-28097.html</link><guid>https://patchthecve.com/cve/CVE-2023-28097.html</guid><pubDate>Wed, 17 Jun 2026 05:46:51 +0000</pubDate><description>HIGH 7.5: 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 mem</description></item><item><title>CVE-2023-28096: OpenSIPS, a Session Initiation Protocol (SIP) server implementation, has a memory leak starting in the 2.3 bra</title><link>https://patchthecve.com/cve/CVE-2023-28096.html</link><guid>https://patchthecve.com/cve/CVE-2023-28096.html</guid><pubDate>Wed, 17 Jun 2026 05:46:51 +0000</pubDate><description>MEDIUM 4.5: 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 `parse_mi_request` while performing coverage-guided fuzzing. This issue can be reproduced by sending m</description></item><item><title>CVE-2023-28095: OpenSIPS is a Session Initiation Protocol (SIP) server implementation</title><link>https://patchthecve.com/cve/CVE-2023-28095.html</link><guid>https://patchthecve.com/cve/CVE-2023-28095.html</guid><pubDate>Wed, 17 Jun 2026 05:46:51 +0000</pubDate><description>HIGH 7.5: OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Versions prior to 3.1.7 and 3.2.4 have a potential issue in `msg_translator.c:2628` which might lead to a server crash. This issue was found while fuzzing the function `build_res_buf_from_sip_req` but could not be reproduced agai</description></item><item><title>CVE-2023-27601: OpenSIPS is a Session Initiation Protocol (SIP) server implementation</title><link>https://patchthecve.com/cve/CVE-2023-27601.html</link><guid>https://patchthecve.com/cve/CVE-2023-27601.html</guid><pubDate>Wed, 17 Jun 2026 05:45:33 +0000</pubDate><description>HIGH 7.5: 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 `delete_sdp_line` function in the sipmsgops module. This issue can be reproduced by calling the function with an SD</description></item><item><title>CVE-2023-27600: OpenSIPS is a Session Initiation Protocol (SIP) server implementation</title><link>https://patchthecve.com/cve/CVE-2023-27600.html</link><guid>https://patchthecve.com/cve/CVE-2023-27600.html</guid><pubDate>Wed, 17 Jun 2026 05:45:33 +0000</pubDate><description>HIGH 7.5: 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 `delete_sdp_line` function in the sipmsgops module. This issue can be reproduced by calling the function with an SD</description></item><item><title>CVE-2023-27599: OpenSIPS is a Session Initiation Protocol (SIP) server implementation</title><link>https://patchthecve.com/cve/CVE-2023-27599.html</link><guid>https://patchthecve.com/cve/CVE-2023-27599.html</guid><pubDate>Wed, 17 Jun 2026 05:45:33 +0000</pubDate><description>HIGH 7.5: OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Prior to versions 3.1.7 and 3.2.4, when the function `append_hf` 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 `data_l</description></item><item><title>CVE-2023-27598: OpenSIPS is a Session Initiation Protocol (SIP) server implementation</title><link>https://patchthecve.com/cve/CVE-2023-27598.html</link><guid>https://patchthecve.com/cve/CVE-2023-27598.html</guid><pubDate>Wed, 17 Jun 2026 05:45:33 +0000</pubDate><description>HIGH 7.5: 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 `calc_tag_suffix` is called. A specially crafted `Via` header, which is deemed correct by the parser,</description></item><item><title>CVE-2023-27597: OpenSIPS is a Session Initiation Protocol (SIP) server implementation</title><link>https://patchthecve.com/cve/CVE-2023-27597.html</link><guid>https://patchthecve.com/cve/CVE-2023-27597.html</guid><pubDate>Wed, 17 Jun 2026 05:45:33 +0000</pubDate><description>HIGH 7.5: 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 `rewrite_ruri`, a crash occurs due to a segmentation fault. This issue causes the server to crash. It affects configurations con</description></item><item><title>CVE-2023-27596: OpenSIPS is a Session Initiation Protocol (SIP) server implementation</title><link>https://patchthecve.com/cve/CVE-2023-27596.html</link><guid>https://patchthecve.com/cve/CVE-2023-27596.html</guid><pubDate>Wed, 17 Jun 2026 05:45:33 +0000</pubDate><description>HIGH 7.5: 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 `stream_process` function. This issue was discovered during coverage guided f</description></item></channel></rss>