{"id":"CVE-2026-92399","state":"PUBLISHED","title":"GPAC WebSocket rmt_ws.c rmt_client_handle_ws_frame heap-based overflow","description":"A vulnerability was determined in GPAC 26.07.0. This affects the function rmt_client_handle_ws_frame of the file src/utils/rmt_ws.c of the component WebSocket Handler. Executing a manipulation of the argument payload_size can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.26 is able to mitigate this issue. This patch is called 37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12. Upgrading the affected component is recommended.","publishedAt":"2026-09-16T16:15:08.672Z","updatedAt":"2026-09-18T18:09:36.012Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["n/a GPAC"],"affected":[{"vendor":"n/a","product":"GPAC","versions":[{"version":"26.07.0","status":"affected"},{"version":"abi-16.26","status":"unaffected"}],"cpes":["cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*"],"modules":["WebSocket Handler"]}],"references":["https://vuldb.com/vuln/405551","https://vuldb.com/vuln/405551/cti","https://vuldb.com/cve/CVE-2026-92399","https://vuldb.com/submit/940250","https://github.com/gpac/gpac/issues/3860","https://github.com/user-attachments/files/31208030/poc_rmt_ws_malicious_frame.py","https://github.com/gpac/gpac/commit/37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12","https://github.com/gpac/gpac/releases/tag/abi-16.26","https://github.com/gpac/gpac/"],"weaknesses":["CWE-122","CWE-119"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/92xxx/CVE-2026-92399.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92399","state":"PUBLISHED","datePublished":"2026-09-16T16:15:08.672Z","dateUpdated":"2026-09-18T18:09:36.012Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-09-16T08:47:23.171Z"},"containers":{"cna":{"title":"GPAC WebSocket rmt_ws.c rmt_client_handle_ws_frame heap-based overflow","descriptions":[{"lang":"en","value":"A vulnerability was determined in GPAC 26.07.0. This affects the function rmt_client_handle_ws_frame of the file src/utils/rmt_ws.c of the component WebSocket Handler. Executing a manipulation of the argument payload_size can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.26 is able to mitigate this issue. This patch is called 37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12. Upgrading the affected component is recommended."}],"affected":[{"vendor":"n/a","product":"GPAC","versions":[{"version":"26.07.0","status":"affected"},{"version":"abi-16.26","status":"unaffected"}],"cpes":["cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*"],"modules":["WebSocket Handler"]}],"references":[{"url":"https://vuldb.com/vuln/405551","name":"VDB-405551 | GPAC WebSocket rmt_ws.c rmt_client_handle_ws_frame heap-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/405551/cti","name":"VDB-405551 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-92399","name":"CVE-2026-92399 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/940250","name":"Submit #940250 | GPAC v26.07.0 (commit 2d7da22e) / master HEAD 6fed75df — fixed in 37bccbb Memory Corruption (CWE-122: Heap-based Buffer Overflow)","tags":["third-party-advisory"]},{"url":"https://github.com/gpac/gpac/issues/3860","tags":["issue-tracking"]},{"url":"https://github.com/user-attachments/files/31208030/poc_rmt_ws_malicious_frame.py","tags":["exploit"]},{"url":"https://github.com/gpac/gpac/commit/37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12","tags":["patch"]},{"url":"https://github.com/gpac/gpac/releases/tag/abi-16.26","tags":["patch"]},{"url":"https://github.com/gpac/gpac/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":7.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":7.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":7.5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","type":"CWE","lang":"en","description":"Heap-based Buffer Overflow"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-09-16T16:15:08.672Z"},"timeline":[{"time":"2026-09-16T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-16T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-16T10:52:27.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"JerryGW (VulDB User)","type":"reporter"}],"tags":["x_open-source"],"x_generator":["VulDB PVTS v202609"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-18T18:09:21.757158Z","id":"CVE-2026-92399","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-18T18:09:36.012Z"}}]}}}