{"id":"CVE-2024-10525","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-10525","generatedAt":"2026-11-04T21:14:30.902Z","title":"In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback.","description":"In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback. This affects the mosquitto_sub and mosquitto_rr clients.","published":"2024-10-30T12:15:03.000Z","lastModified":"2026-06-17T06:55:52.000Z","status":"Modified","sourceIdentifier":"emo@eclipse.org","cvss":{"version":"4.0","score":7.2,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-122","CWE-787"],"affected":["eclipse/mosquitto"],"epss":{"score":0.59222,"percentile":0.99118,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 59.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://github.com/eclipse-mosquitto/mosquitto/commit/8ab20b4ba4204fdcdec78cb4d9f03c944a6e0e1c","tags":["Patch"],"source":"emo@eclipse.org"},{"url":"https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/190","tags":["Exploit","Issue Tracking","Vendor Advisory"],"source":"emo@eclipse.org"},{"url":"https://mosquitto.org/blog/2024/10/version-2-0-19-released/","tags":["Release Notes"],"source":"emo@eclipse.org"},{"url":"https://lists.debian.org/debian-lts-announce/2025/02/msg00022.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-10525","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."}