{"id":"CVE-2023-43521","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-43521","generatedAt":"2026-10-28T05:58:17.584Z","title":"Memory corruption when multiple listeners are being registered with the same file descriptor.","description":"Memory corruption when multiple listeners are being registered with the same file descriptor.","published":"2024-05-06T15:15:20.000Z","lastModified":"2026-06-17T06:25:42.000Z","status":"Analyzed","sourceIdentifier":"product-security@qualcomm.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["qualcomm/ar8035 firmware","qualcomm/c-v2x 9150 firmware","qualcomm/fastconnect 6800 firmware","qualcomm/fastconnect 6900 firmware","qualcomm/fastconnect 7800 firmware","qualcomm/qam8255p firmware","qualcomm/qam8295p firmware","qualcomm/qam8650p firmware","qualcomm/qam8775p firmware","qualcomm/qamsrv1h firmware","qualcomm/qamsrv1m firmware","qualcomm/qca6174a firmware","qualcomm/qca6391 firmware","qualcomm/qca6426 firmware","qualcomm/qca6436 firmware","qualcomm/qca6574au firmware","qualcomm/qca6584au firmware","qualcomm/qca6696 firmware","qualcomm/qca6698aq firmware","qualcomm/qca8081 firmware","qualcomm/qca8337 firmware","qualcomm/qcc710 firmware","qualcomm/qcn6224 firmware","qualcomm/qcn6274 firmware","qualcomm/qcn9074 firmware","qualcomm/qcs410 firmware","qualcomm/qcs610 firmware","qualcomm/qfw7114 firmware","qualcomm/qfw7124 firmware","qualcomm/video collaboration vc1 platform firmware","qualcomm/video collaboration vc3 platform firmware","qualcomm/sa6145p firmware","qualcomm/sa6150p firmware","qualcomm/sa6155p firmware","qualcomm/sa7255p firmware","qualcomm/sa8145p firmware","qualcomm/sa8150p firmware","qualcomm/sa8155p firmware","qualcomm/sa8195p firmware","qualcomm/sa8255p firmware","qualcomm/sa8295p firmware","qualcomm/sa8620p firmware","qualcomm/sa8650p firmware","qualcomm/sa8770p firmware","qualcomm/sa8775p firmware","qualcomm/sa9000p firmware","qualcomm/sd865 5g firmware","qualcomm/snapdragon 8 gen 1 mobile firmware","qualcomm/snapdragon 865 5g mobile firmware","qualcomm/snapdragon 865\\+ 5g mobile firmware","qualcomm/snapdragon 870 5g mobile firmware","qualcomm/snapdragon auto 5g modem-rf gen 2 firmware","qualcomm/snapdragon w5\\+ gen 1 wearable firmware","qualcomm/snapdragon wear 4100\\+ firmware","qualcomm/snapdragon x55 5g modem-rf firmware","qualcomm/snapdragon x72 5g modem-rf firmware","qualcomm/snapdragon x75 5g modem-rf firmware","qualcomm/snapdragon xr2 5g firmware","qualcomm/srv1h firmware","qualcomm/srv1m firmware"],"epss":{"score":0.00109,"percentile":0.01231,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2024-bulletin.html","tags":["Patch","Vendor Advisory"],"source":"product-security@qualcomm.com"},{"url":"https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2024-bulletin.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-43521","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}