CVE-2026-41415

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{"bugzilla": {"description": "pjproject: PJSIP: Denial of service via malformed Content-ID URI in SIP multipart message", "id": "2461641", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461641"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in PJSIP, a multimedia communication library. A remote attacker could exploit this vulnerability by sending a specially crafted Session Initiation Protocol (SIP) multipart message containing a malformed Content-ID URI. Insufficient length validation during parsing of this URI can lead to an out-of-bounds read, potentially causing a denial of service."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-41415", "public_date": "2026-04-24T18:38:36Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-41415\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-41415\nhttps://github.com/pjsip/pjproject/commit/4225a93c16661538005017883fbc8f1ea1d5f4b0\nhttps://github.com/pjsip/pjproject/security/advisories/GHSA-935m-fmf5-j4pm"], "statement": "This is an Important denial of service flaw in PJSIP, a multimedia communication library. A remote attacker can trigger an out-of-bounds read by sending a specially crafted SIP multipart message with a malformed Content-ID URI, leading to service unavailability. This vulnerability affects Red Hat Community Projects that utilize PJSIP, such as `pjproject` and `asterisk`.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2.17)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "pjproject", "source": "cna", "vendor": "pjsip"}, "product": "pjproject", "vendor": "pjsip"}], "analysis": {"en": {"generated_at": "2026-04-28T13:36:38.629935+00:00", "value": {"mitigation_remediation": ["Upgrade PJSIP to version 2.17 or later to eliminate the vulnerability", "Apply the vendor patch referenced in the GitHub advisory if an upgrade is not immediately possible", "Implement input validation or filtering of SIP multipart messages to reject malformed Content\u2011ID URIs before they reach the library"], "summary": {"action": "Apply Patch", "impact": "Potential memory disclosure through out\u2011of\u2011bounds read during SIP multipart parsing"}, "threat_synthesis": {"affected_systems": "PJproject (PJSIP) versions up to 2.16 are affected. The issue was remedied in release 2.17. Any deployment using PJSIP 2.16 or earlier without an update is susceptible.", "description_and_impact": "The vulnerability in PJSIP 2.16 and earlier allows an attacker to trigger an out\u2011of\u2011bounds read when parsing a malformed Content\u2011ID URI in a SIP multipart message body. The insufficient length validation causes the library to read beyond the intended buffer, exposing internal memory contents. This weakness corresponds to CWE\u2011125 and can lead to sensitive data leakage.", "risk_and_exploitability": "The CVSS score of 6.7 indicates moderate severity, while the EPSS score of less than 1% suggests a low probability of exploitation in the wild. The vulnerability is not listed in the CISA KEV catalog. Exploitation would require delivery of a crafted SIP multipart message, likely over the network. Once triggered, the read could expose memory contents to the attacker, limited to a memory disclosure scenario without evidence of further exploitation."}}}}, "created": "2026-04-27T20:15:12.107592+00:00", "updated": "2026-04-28T13:45:06.134379+00:00", "vendors": ["pjsip", "pjsip$PRODUCT$pjproject"]}