{"id":"CVE-2023-42459","aliases":["DEBIAN-CVE-2023-42459","DSA-5568-1","EUVD-2023-46900","GHSA-gq8g-fj58-22gm","UBUNTU-CVE-2023-42459"],"status":"published","title":"Malformed DATA submessage leads to bad-free error in Fast-DDS","description":"Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). In affected versions specific DATA submessages can be sent to a discovery locator which may trigger a free error. This can remotely crash any Fast-DDS process. The call to free() could potentially leave the pointer in the attackers control which could lead to a double free. This issue has been addressed in versions 2.12.0, 2.11.3, 2.10.3, and 2.6.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01003,"percentile":0.63327,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-415","CWE-416","CWE-590"],"published":"2023-10-16T20:56:04Z","modified":"2026-10-28T02:30:32Z","fixes":[{"ecosystem":"Debian:12","package":"fastdds","fixed_in":["2.9.1+ds-1+deb12u2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"fastdds","fixed_in":["2.11.2+ds-6"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"fastdds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1+ds-1+deb12u2"}]}],"versions":["2.9.1+ds-1","2.9.1+ds-1+deb12u1"]},{"source":"osv","ecosystem":"Debian:13","package":"fastdds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.2+ds-6"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"fastdds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1+ds-1+deb12u2"}]}],"versions":["2.9.1+ds-1","2.9.1+ds-1+deb12u1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"fastdds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.0+ds-9","2.4.1+ds-1","2.5.0+ds-3","2.5.0+ds-3ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"fastdds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.1+ds-3","2.11.2+ds-6","2.11.2+ds-6ubuntu1","2.11.2+ds-6.1build2","2.11.2+ds-6.1build3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"fastdds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.2+ds-1","3.1.2+ds-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"fastdds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.0+ds-3ubuntu1","3.3.0+ds-3ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"fastdds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.2+ds-1build1","3.3.0+ds-3ubuntu1"]}],"products":[{"vendor":"eprosima","product":"fast-dds"},{"vendor":"eprosima","product":"fast_dds"}],"references":[{"url":"https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-gq8g-fj58-22gm","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://github.com/eProsima/Fast-DDS/issues/3207","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","report"]},{"url":"https://github.com/eProsima/Fast-DDS/pull/3824","tags":["x_refsource_MISC","x_transferred","Patch","fix","report"]},{"url":"https://www.debian.org/security/2023/dsa-5568","tags":["x_transferred","Mailing List","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/42xxx/CVE-2023-42459.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42459","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-42459","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-42459","tags":["report"]},{"url":"https://github.com/eProsima/Fast-DDS/commit/1e978c6f3d0ca1df6b323b37fd4902b0762ececb","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-42459","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-42459","title":"Malformed DATA submessage leads to bad-free error in Fast-DDS","description":"Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). In affected versions specific DATA submessages can be sent to a discovery locator which may trigger a free error. This can remotely crash any Fast-DDS process. The call to free() could potentially leave the pointer in the attackers control which could lead to a double free. This issue has been addressed in versions 2.12.0, 2.11.3, 2.10.3, and 2.6.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-10-16T20:56:04.284Z","modified":"2025-02-13T17:09:23.468Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-415","CWE-416","CWE-590"],"updated_at":"2026-11-02T14:35:18.16233Z"}],"euvd":[{"id":"EUVD-2023-46900","description":"Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). In affected versions specific DATA submessages can be sent to a discovery locator which may trigger a free error. This can remotely crash any Fast-DDS process. The call to free() could potentially leave the pointer in the attackers control which could lead to a double free. This issue has been addressed in versions 2.12.0, 2.11.3, 2.10.3, and 2.6.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-10-16T20:56:04Z","modified":"2025-02-13T17:09:23Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"}],"updated_at":"2026-11-03T00:03:49.098775Z"}],"nvd":[{"id":"CVE-2023-42459","description":"Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). In affected versions specific DATA submessages can be sent to a discovery locator which may trigger a free error. This can remotely crash any Fast-DDS process. The call to free() could potentially leave the pointer in the attackers control which could lead to a double free. This issue has been addressed in versions 2.12.0, 2.11.3, 2.10.3, and 2.6.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-10-16T21:15:10.923Z","modified":"2026-06-17T06:23:52.63Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-415","CWE-416","CWE-590"],"updated_at":"2026-11-02T14:08:37.83429Z"}],"osv":[{"id":"CVE-2023-42459","title":"Malformed DATA submessage leads to bad-free error in Fast-DDS","description":"Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). In affected versions specific DATA submessages can be sent to a discovery locator which may trigger a free error. This can remotely crash any Fast-DDS process. The call to free() could potentially leave the pointer in the attackers control which could lead to a double free. This issue has been addressed in versions 2.12.0, 2.11.3, 2.10.3, and 2.6.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-10-16T20:56:04.284Z","modified":"2026-10-28T02:30:32.144558559Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"}],"cwes":["CWE-415","CWE-416","CWE-590"],"updated_at":"2026-11-02T15:44:33.792101Z"},{"id":"DEBIAN-CVE-2023-42459","description":"Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). In affected versions specific DATA submessages can be sent to a discovery locator which may trigger a free error. This can remotely crash any Fast-DDS process. The call to free() could potentially leave the pointer in the attackers control which could lead to a double free. This issue has been addressed in versions 2.12.0, 2.11.3, 2.10.3, and 2.6.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-10-16T21:15:10.923Z","modified":"2026-10-26T18:01:53.754326976Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:40.275853Z"},{"id":"UBUNTU-CVE-2023-42459","description":"Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). In affected versions specific DATA submessages can be sent to a discovery locator which may trigger a free error. This can remotely crash any Fast-DDS process. The call to free() could potentially leave the pointer in the attackers control which could lead to a double free. This issue has been addressed in versions 2.12.0, 2.11.3, 2.10.3, and 2.6.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-10-16T21:15:00Z","modified":"2026-10-17T12:56:41.970433323Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:22.741943Z"},{"id":"DSA-5568-1","title":"fastdds - security update","status":"published","published":"2023-11-27T00:00:00Z","modified":"2026-03-09T02:09:36.716389Z","updated_at":"2026-11-02T15:46:17.892347Z"}]}}