{"id":"GHSA-g74r-ffvr-5q9f","aliases":["CLSA-2026-1772669617","CLSA-2026-1773793046","CLSA-2026-1780534261","CLSA-2026-1792163363"],"status":"published","title":"Memory Exposure in concat-stream","description":"Versions of `concat-stream` before 1.5.2 are vulnerable to memory exposure if userp provided input is passed into `write()`\n\nVersions \u003c1.3.0 are not affected due to not using unguarded Buffer constructor.\n\n\n\n## Recommendation\n\nUpdate to version 1.5.2, 1.4.11, 1.3.2 or later.\n\nIf you are unable to update make sure user provided input into the `write()` function is not a number.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2019-06-03T17:26:44Z","modified":"2026-10-16T16:31:39Z","fixes":[{"ecosystem":"npm","package":"concat-stream","fixed_in":["1.5.2","1.4.11","1.3.2"],"sources":["ghsa","osv"]},{"ecosystem":"TuxCare:npm","package":"concat-stream","fixed_in":["1.5.0-tuxcare.1","1.4.8-tuxcare.1","1.4.10-tuxcare.1","1.5.1-tuxcare.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"concat-stream","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.5.0"},{"fixed":"1.5.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"concat-stream","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.4.0"},{"fixed":"1.4.11"}]}]},{"source":"ghsa","ecosystem":"npm","package":"concat-stream","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.3.0"},{"fixed":"1.3.2"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"concat-stream","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.5.0-tuxcare.0"},{"fixed":"1.5.0-tuxcare.1"}]}],"versions":["1.5.0"]},{"source":"osv","ecosystem":"TuxCare:npm","package":"concat-stream","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.4.8-tuxcare.0"},{"fixed":"1.4.8-tuxcare.1"}]}],"versions":["1.4.8"]},{"source":"osv","ecosystem":"TuxCare:npm","package":"concat-stream","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.4.10-tuxcare.0"},{"fixed":"1.4.10-tuxcare.1"}]}],"versions":["1.4.10"]},{"source":"osv","ecosystem":"TuxCare:npm","package":"concat-stream","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.5.1-tuxcare.0"},{"fixed":"1.5.1-tuxcare.1"}]}],"versions":["1.5.1"]},{"source":"osv","ecosystem":"npm","package":"concat-stream","ranges":[{"type":"SEMVER","events":[{"introduced":"1.5.0"},{"fixed":"1.5.2"}]}]},{"source":"osv","ecosystem":"npm","package":"concat-stream","ranges":[{"type":"SEMVER","events":[{"introduced":"1.4.0"},{"fixed":"1.4.11"}]}]},{"source":"osv","ecosystem":"npm","package":"concat-stream","ranges":[{"type":"SEMVER","events":[{"introduced":"1.3.0"},{"fixed":"1.3.2"}]}]}],"references":[{"url":"https://github.com/maxogden/concat-stream/pull/47","tags":["web"]},{"url":"https://github.com/maxogden/concat-stream/pull/47/commits/3e285ba5e5b10b7c98552217f5c1023829efe69e","tags":["web"]},{"url":"https://gist.github.com/ChALkeR/c2d2fd3f1d72d51ad883df195be03a85","tags":["web"]},{"url":"https://www.npmjs.com/advisories/597","tags":["web"]},{"url":"https://github.com/advisories/GHSA-g74r-ffvr-5q9f"}],"sources":{"ghsa":[{"id":"GHSA-g74r-ffvr-5q9f","title":"Memory Exposure in concat-stream","description":"Versions of `concat-stream` before 1.5.2 are vulnerable to memory exposure if userp provided input is passed into `write()`\n\nVersions \u003c1.3.0 are not affected due to not using unguarded Buffer constructor.\n\n\n\n## Recommendation\n\nUpdate to version 1.5.2, 1.4.11, 1.3.2 or later.\n\nIf you are unable to update make sure user provided input into the `write()` function is not a number.","status":"published","published":"2019-06-03T17:26:44Z","modified":"2023-01-09T05:01:41Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:36:02.073372Z"}],"osv":[{"id":"CLSA-2026-1772669617","title":"TuxCare security update for concat-stream (1 CVE)","description":"TuxCare rebuilt concat-stream to address 1 CVE. Fixed in 1.5.0-tuxcare.1.","status":"published","published":"2026-08-04T14:52:10Z","modified":"2026-10-15T09:47:34.83151001Z","updated_at":"2026-11-02T15:43:43.249928Z"},{"id":"CLSA-2026-1773793046","title":"TuxCare security update for concat-stream (1 CVE)","description":"TuxCare rebuilt concat-stream to address 1 CVE. Fixed in 1.4.8-tuxcare.1.","status":"published","published":"2026-08-04T14:52:13Z","modified":"2026-10-15T09:47:47.119965286Z","updated_at":"2026-11-02T15:43:43.621843Z"},{"id":"CLSA-2026-1780534261","title":"TuxCare security update for concat-stream (1 CVE)","description":"TuxCare rebuilt concat-stream to address 1 CVE. Fixed in 1.4.10-tuxcare.1.","status":"published","published":"2026-08-04T14:52:35Z","modified":"2026-10-15T09:47:50.871940033Z","updated_at":"2026-11-02T15:43:45.445699Z"},{"id":"CLSA-2026-1792163363","title":"TuxCare security update for concat-stream (1 CVE)","description":"TuxCare rebuilt concat-stream to address 1 CVE. Fixed in 1.5.1-tuxcare.1.","status":"published","published":"2026-10-16T15:09:23Z","modified":"2026-10-16T16:31:39.310414799Z","updated_at":"2026-11-02T15:43:51.466048Z"},{"id":"GHSA-g74r-ffvr-5q9f","title":"Memory Exposure in concat-stream","description":"Versions of `concat-stream` before 1.5.2 are vulnerable to memory exposure if userp provided input is passed into `write()`\n\nVersions \u003c1.3.0 are not affected due to not using unguarded Buffer constructor.\n\n\n\n## Recommendation\n\nUpdate to version 1.5.2, 1.4.11, 1.3.2 or later.\n\nIf you are unable to update make sure user provided input into the `write()` function is not a number.","status":"published","published":"2019-06-03T17:26:44Z","modified":"2020-08-31T18:29:17Z","cwes":["CWE-200"],"updated_at":"2026-11-02T15:46:47.472172Z"}]}}