{"id":"CVE-2026-73071","state":"PUBLISHED","title":"Vim: Use-after-free in JSON Decoding","description":"Vim is an open source, command line text editor. From 9.2.0511 until 9.2.0844, json_decode_item() in src/json.c can retain a stale pointer after json_decode_string() invokes channel_fill() to refill and free the current buffer, causing the error path to read freed memory instead of reader->js_buf + reader->js_used when an invalid JSON string spans buffers. This issue is fixed in version 9.2.0844.","publishedAt":"2026-08-11T15:29:30.287Z","updatedAt":"2026-08-11T16:47:48.674Z","severity":{"score":3.3,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["vim vim"],"affected":[{"vendor":"vim","product":"vim","versions":[{"version":">= 9.2.0511, < 9.2.0844","status":"affected"}]}],"references":["https://github.com/vim/vim/security/advisories/GHSA-69ch-22ch-r887","https://github.com/vim/vim/commit/f8126294a526aa80c5123eb3079e325daee9ec75","https://github.com/vim/vim/releases/tag/v9.2.0844"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73071.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73071","state":"PUBLISHED","datePublished":"2026-08-11T15:29:30.287Z","dateUpdated":"2026-08-11T16:47:48.674Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-10T19:37:41.444Z"},"containers":{"cna":{"title":"Vim: Use-after-free in JSON Decoding","descriptions":[{"lang":"en","value":"Vim is an open source, command line text editor. From 9.2.0511 until 9.2.0844, json_decode_item() in src/json.c can retain a stale pointer after json_decode_string() invokes channel_fill() to refill and free the current buffer, causing the error path to read freed memory instead of reader->js_buf + reader->js_used when an invalid JSON string spans buffers. This issue is fixed in version 9.2.0844."}],"affected":[{"vendor":"vim","product":"vim","versions":[{"version":">= 9.2.0511, < 9.2.0844","status":"affected"}]}],"references":[{"url":"https://github.com/vim/vim/security/advisories/GHSA-69ch-22ch-r887","name":"https://github.com/vim/vim/security/advisories/GHSA-69ch-22ch-r887","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/vim/vim/commit/f8126294a526aa80c5123eb3079e325daee9ec75","name":"https://github.com/vim/vim/commit/f8126294a526aa80c5123eb3079e325daee9ec75","tags":["x_refsource_MISC"]},{"url":"https://github.com/vim/vim/releases/tag/v9.2.0844","name":"https://github.com/vim/vim/releases/tag/v9.2.0844","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":3.3,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","lang":"en","description":"CWE-416: Use After Free","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-11T15:29:30.287Z"},"source":{"advisory":"GHSA-69ch-22ch-r887","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T16:47:12.172244Z","id":"CVE-2026-73071","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-11T16:47:48.674Z"}}]}}}