{"id":"CVE-2026-116502","state":"PUBLISHED","title":"turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write","description":"A flaw has been found in turboderp-org ExLlamaV2 up to 0.3.2. The impacted element is the function QMatrix::make_sequential of the file exllamav2/exllamav2_ext/cuda/q_matrix.cu of the component GPTQ Index Handler. Executing a manipulation of the argument g_idx can lead to out-of-bounds write. The attack needs to be launched locally. The project was informed of the problem early through an issue report but has not responded yet.","publishedAt":"2026-10-26T20:15:07.238Z","updatedAt":"2026-10-26T20:15:07.238Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","source":"VulDB"},"assigner":"VulDB","products":["turboderp-org ExLlamaV2"],"affected":[{"vendor":"turboderp-org","product":"ExLlamaV2","versions":[{"version":"0.3.0","status":"affected"},{"version":"0.3.1","status":"affected"},{"version":"0.3.2","status":"affected"}],"cpes":["cpe:2.3:a:turboderp-org:exllamav2:*:*:*:*:*:*:*:*"],"modules":["GPTQ Index Handler"]}],"references":["https://vuldb.com/vuln/426401","https://vuldb.com/vuln/426401/cti","https://vuldb.com/cve/CVE-2026-116502","https://vuldb.com/submit/1022425","https://github.com/turboderp-org/exllamav2/issues/817","https://github.com/turboderp-org/exllamav2/"],"weaknesses":["CWE-787","CWE-119"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/116xxx/CVE-2026-116502.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-116502","state":"PUBLISHED","datePublished":"2026-10-26T20:15:07.238Z","dateUpdated":"2026-10-26T20:15:07.238Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-10-26T13:06:50.894Z"},"containers":{"cna":{"title":"turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write","descriptions":[{"lang":"en","value":"A flaw has been found in turboderp-org ExLlamaV2 up to 0.3.2. The impacted element is the function QMatrix::make_sequential of the file exllamav2/exllamav2_ext/cuda/q_matrix.cu of the component GPTQ Index Handler. Executing a manipulation of the argument g_idx can lead to out-of-bounds write. The attack needs to be launched locally. The project was informed of the problem early through an issue report but has not responded yet."}],"affected":[{"vendor":"turboderp-org","product":"ExLlamaV2","versions":[{"version":"0.3.0","status":"affected"},{"version":"0.3.1","status":"affected"},{"version":"0.3.2","status":"affected"}],"cpes":["cpe:2.3:a:turboderp-org:exllamav2:*:*:*:*:*:*:*:*"],"modules":["GPTQ Index Handler"]}],"references":[{"url":"https://vuldb.com/vuln/426401","name":"VDB-426401 | turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/426401/cti","name":"VDB-426401 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-116502","name":"CVE-2026-116502 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/1022425","name":"Submit #1022425 | turboderp-org / ExLlamaV2 exllamav2 0.0.4 - 0.3.2 Heap out-of-bounds write caused by an unvalidated GPTQ `g_idx` v","tags":["third-party-advisory"]},{"url":"https://github.com/turboderp-org/exllamav2/issues/817","tags":["issue-tracking"]},{"url":"https://github.com/turboderp-org/exllamav2/","tags":["product"]}],"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:L/VA:L/SC:N/SI:N/SA:N/E:X","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":4.4,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:X/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":4.4,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:X/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":3.2,"vectorString":"AV:L/AC:L/Au:S/C:N/I:P/A:P/E:ND/RL:ND/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","type":"CWE","lang":"en","description":"Out-of-bounds Write"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-10-26T20:15:07.238Z"},"timeline":[{"time":"2026-10-26T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-10-26T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-10-26T14:11:57.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"m00dy (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"x_generator":["VulDB PVTS v202610"]}}}}