{"id":"CVE-2025-8842","state":"PUBLISHED","title":"NASM Netwide Assember preproc.c do_directive use after free","description":"A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected by this issue is the function do_directive of the file preproc.c. The manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.","publishedAt":"2025-08-11T10:32:09.151Z","updatedAt":"2025-08-11T12:34:33.576Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["NASM Netwide Assember"],"affected":[{"vendor":"NASM","product":"Netwide Assember","versions":[{"version":"2.17rc0","status":"affected"}]}],"references":["https://vuldb.com/?id.319376","https://vuldb.com/?ctiid.319376","https://vuldb.com/?submit.623184","https://bugzilla.nasm.us/show_bug.cgi?id=3392933","https://drive.google.com/file/d/11vEV1vMHXO4BrDGhvWAMm0Qo1woiUwVV/view?usp=drive_link"],"weaknesses":["CWE-416","CWE-119"],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/8xxx/CVE-2025-8842.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-8842","state":"PUBLISHED","datePublished":"2025-08-11T10:32:09.151Z","dateUpdated":"2025-08-11T12:34:33.576Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2025-08-10T15:42:36.258Z"},"containers":{"cna":{"title":"NASM Netwide Assember preproc.c do_directive use after free","descriptions":[{"lang":"en","value":"A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected by this issue is the function do_directive of the file preproc.c. The manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used."},{"lang":"de","value":"Es geht hierbei um die Funktion do_directive der Datei preproc.c. Mit der Manipulation mit unbekannten Daten kann eine use after free-Schwachstelle ausgenutzt werden. Der Angriff muss lokal passieren. Der Exploit steht zur öffentlichen Verfügung."}],"affected":[{"vendor":"NASM","product":"Netwide Assember","versions":[{"version":"2.17rc0","status":"affected"}]}],"references":[{"url":"https://vuldb.com/?id.319376","name":"VDB-319376 | NASM Netwide Assember preproc.c do_directive use after free","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.319376","name":"VDB-319376 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.623184","name":"Submit #623184 | nasm NASM version 2.17rc0 compiled on Jul 20 2025 and the newest master (888d9ab) Memory Corruption","tags":["third-party-advisory"]},{"url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392933","tags":["issue-tracking"]},{"url":"https://drive.google.com/file/d/11vEV1vMHXO4BrDGhvWAMm0Qo1woiUwVV/view?usp=drive_link","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.3,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":4.3,"vectorString":"AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","type":"CWE","lang":"en","description":"Use After Free"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2025-08-11T10:32:09.151Z"},"timeline":[{"time":"2025-08-10T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2025-08-10T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2025-08-10T18:01:57.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"xdcao (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392933","tags":["exploit"]},{"url":"https://vuldb.com/?submit.623184","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-11T12:34:30.315514Z","id":"CVE-2025-8842","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-08-11T12:34:33.576Z"}}]}}}