CVE-2026-41416 | pjsip pjproject up to 2.16 integer overflow (GHSA-f33g-8hjq-62xr)

VDB-359537 · CVE-2026-41416 · GHSA-F33G-8HJQ-62XR PJSIP PJPROJECT UP TO 2.16 INTEGER OVERFLOW HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.0 $0-$5k 0.56+ Summaryinfo A vulnerability has been found in pjsip pjproject up to 2.16 and classified as critical. This affects an unknown part. The manipulation leads to integer overflow. This vulnerability is uniquely identified as CVE-2026-41416. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded. Detailsinfo A vulnerability was found in pjsip pjproject up to 2.16 and classified as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is: PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is an integer overflow in media stream buffer size calculation when processing SDP with asymmetric ptime configuration. The overflow may result in an undersized buffer allocation, which can lead to unexpected application termination or memory corruption This vulnerability is fixed in 2.17. The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-41416 since 04/20/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. Upgrading to version 2.17 eliminates this vulnerability. Applying the patch 66fe416c96e957417621b7be16e9e587d159f9bb is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. Productinfo Type Project Management Software Vendor pjsip Name pjproject Version 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 2.16 License open-source Website Product: https://github.com/pjsip/pjproject/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 7.3 VulDB Meta Temp Score: 7.0 VulDB Base Score: 7.3 VulDB Temp Score: 7.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Integer overflow CWE: CWE-190 / CWE-189 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: pjproject 2.17 Patch: 66fe416c96e957417621b7be16e9e587d159f9bb Timelineinfo 04/20/2026 CVE reserved 04/24/2026 +4 days Advisory disclosed 04/24/2026 +0 days VulDB entry created 04/24/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-f33g-8hjq-62xr Status: Confirmed CVE: CVE-2026-41416 (🔒) GCVE (CVE): GCVE-0-2026-41416 GCVE (VulDB): GCVE-100-359537 Entryinfo Created: 04/24/2026 21:24 Changes: 04/24/2026 21:24 (70) Complete: 🔍 Cache ID: 99:E38:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸