{"id":"CVE-2018-7039","aliases":["EUVD-2018-18782","GHSA-7mw4-2533-r95q"],"status":"published","title":"CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or...","description":"CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact because the ccnl_ndntlv_prependBlob function in ccnl-pkt-ndntlv.c can be called with wrong arguments. Specifically, there is an incorrect integer data type causing a negative third argument in some cases of crafted TLV data with inconsistent length information.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01437,"percentile":0.73292,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2018-02-14T19:00:00Z","modified":"2026-10-20T10:51:32Z","products":[{"vendor":"ccn-lite","product":"ccn-lite"}],"references":[{"url":"https://github.com/cn-uofbasel/ccn-lite/issues/191","tags":["x_refsource_CONFIRM","x_transferred","Technical Description","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7039"},{"url":"https://github.com/advisories/GHSA-7mw4-2533-r95q"}],"sources":{"cve":[{"id":"CVE-2018-7039","description":"CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact because the ccnl_ndntlv_prependBlob function in ccnl-pkt-ndntlv.c can be called with wrong arguments. Specifically, there is an incorrect integer data type causing a negative third argument in some cases of crafted TLV data with inconsistent length information.","status":"published","published":"2018-02-14T19:00:00Z","modified":"2024-09-16T20:17:14.528Z","updated_at":"2026-11-02T14:35:09.908186Z"}],"euvd":[{"id":"EUVD-2018-18782","description":"CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact because the ccnl_ndntlv_prependBlob function in ccnl-pkt-ndntlv.c can be called with wrong arguments. Specifically, there is an incorrect integer data type causing a negative third argument in some cases of crafted TLV data with inconsistent length information.","status":"published","published":"2018-02-14T19:00:00Z","modified":"2024-09-16T20:17:14Z","updated_at":"2026-11-03T00:55:15.468069Z"}],"ghsa":[{"id":"GHSA-7mw4-2533-r95q","title":"CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or...","description":"CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact because the ccnl_ndntlv_prependBlob function in ccnl-pkt-ndntlv.c can be called with wrong arguments. Specifically, there is an incorrect integer data type causing a negative third argument in some cases of crafted TLV data with inconsistent length information.","status":"published","published":"2022-05-14T03:38:05Z","modified":"2023-02-02T05:08:00Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:52:38.632929Z"}],"nvd":[{"id":"CVE-2018-7039","description":"CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact because the ccnl_ndntlv_prependBlob function in ccnl-pkt-ndntlv.c can be called with wrong arguments. Specifically, there is an incorrect integer data type causing a negative third argument in some cases of crafted TLV data with inconsistent length information.","status":"published","published":"2018-02-14T19:29:00.307Z","modified":"2026-06-17T02:02:34.73Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:04:22.897995Z"}],"osv":[{"id":"CVE-2018-7039","description":"CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact because the ccnl_ndntlv_prependBlob function in ccnl-pkt-ndntlv.c can be called with wrong arguments. Specifically, there is an incorrect integer data type causing a negative third argument in some cases of crafted TLV data with inconsistent length information.","status":"published","published":"2018-02-14T19:29:00.307Z","modified":"2026-10-20T10:51:32.613349496Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:09.74357Z"}]}}