{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-6499","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2025-06-22T19:06:31.978Z","datePublished":"2025-06-23T02:00:08.771Z","dateUpdated":"2025-06-23T13:29:29.523Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2025-06-23T02:00:08.771Z"},"title":"vstakhov libucl ucl_parser.c ucl_parse_multiline_string heap-based overflow","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-122","lang":"en","description":"Heap-based Buffer Overflow"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"vstakhov","product":"libucl","versions":[{"version":"0.9.0","status":"affected"},{"version":"0.9.1","status":"affected"},{"version":"0.9.2","status":"affected"}]}],"descriptions":[{"lang":"en","value":"A vulnerability classified as problematic was found in vstakhov libucl up to 0.9.2. Affected by this vulnerability is the function ucl_parse_multiline_string of the file src/ucl_parser.c. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used."},{"lang":"de","value":"In vstakhov libucl bis 0.9.2 wurde eine problematische Schwachstelle entdeckt. Es geht um die Funktion ucl_parse_multiline_string der Datei src/ucl_parser.c. Mittels dem Manipulieren mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff muss lokal angegangen werden. Der Exploit steht zur öffentlichen Verfügung."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":3.3,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV3_0":{"version":"3.0","baseScore":3.3,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV2_0":{"version":"2.0","baseScore":1.7,"vectorString":"AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2025-06-22T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2025-06-22T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2025-06-22T21:11:35.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"JJLeo (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/?id.313615","name":"VDB-313615 | vstakhov libucl ucl_parser.c ucl_parse_multiline_string heap-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.313615","name":"VDB-313615 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.601011","name":"Submit #601011 | vstakhov libucl libucl 0.9.2 (commit 3e7f023) Heap-based Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/vstakhov/libucl/issues/319","tags":["issue-tracking"]},{"url":"https://github.com/user-attachments/files/19825399/libucl_crash.txt","tags":["exploit"]}]},"adp":[{"references":[{"url":"https://github.com/vstakhov/libucl/issues/319","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-06-23T13:29:26.919846Z","id":"CVE-2025-6499","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-06-23T13:29:29.523Z"}}]}}