{“lastseen”:””,”description”:”A flaw has been found in Kamailio 5.5. The impacted element is the function rve_is_constant of the file src\/core\/rvalue.c. This manipulation causes null pointer dereference. The attack needs to be launched locally. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.”,”published”:”2025-10-27T02:32:12.753Z”,”modified”:”2025-10-27T02:32:12.753Z”,”type”:”cve”,”title”:”Kamailio rvalue.c rve_is_constant null pointer dereference”,”source”:”VulDB”,”references”:”https:\/\/vuldb.com\/?id.329876\\nhttps:\/\/vuldb.com\/?ctiid.329876\\nhttps:\/\/vuldb.com\/?submit.673240\\nhttps:\/\/shimo.im\/docs\/aBAYMVMB2jUP9jAj\/”,”id”:”CVE-2025-12206″,”bulletinFamily”:””,”cwe”:[“CWE-476″,”CWE-404″],”cvelist”:null,”sourceData”:”n\/a Kamailio 5.5″,”sourceHref”:””,”cvss”:{“score”:4.8,”severity”:”MEDIUM”,”vector”:”CVSS:4.0\/AV:L\/AC:L\/AT:N\/PR:L\/UI:N\/VC:N\/VI:N\/VA:L\/SC:N\/SI:N\/SA:N\/E:P”,”version”:”4.0″},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:””,”category_name”:”CVE”,”post_link”:””,”product”:”Kamailio”,”version”:”5.5″,”vendor”:”n\/a”,”ai_description”:””,”ai_severity”:””,”ai_vendor”:””,”ai_product”:””,”ai_version”:””,”ai_score”:0}<\/p>\n","protected":false},"excerpt":{"rendered":"
{“lastseen”:””,”description”:”A flaw has been found in Kamailio 5.5. The impacted element is the function rve_is_constant of the file src\/core\/rvalue.c. This manipulation causes null pointer dereference….<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,75,12,21,13,7,11,5],"class_list":["post-23380","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-48","tag-exploit","tag-medium","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\n