{"id":"CVE-2021-38623","aliases":["EUVD-2021-1527","GHSA-34jq-548x-m2x9"],"status":"published","title":"Improper Resource Shutdown or Release in TYPO3 extension","description":"The deferred_image_processing (aka Deferred image processing) extension before 1.0.2 for TYPO3 allows Denial of Service via the FAL API because of /var/transient disk consumption.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00961,"percentile":0.61868,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-404"],"published":"2021-08-13T16:28:30Z","modified":"2026-06-17T04:02:27Z","fixes":[{"ecosystem":"Packagist","package":"webcoast/deferred-image-processing","fixed_in":["1.0.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"webcoast/deferred-image-processing","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2"}]}]},{"source":"osv","ecosystem":"Packagist","package":"webcoast/deferred-image-processing","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2"}]}],"versions":["1.0.0","1.0.1"]}],"products":[{"vendor":"deferred_image_processing_project","product":"deferred_image_processing"}],"references":[{"url":"https://typo3.org/security/advisory/typo3-ext-sa-2021-009","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38623","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-34jq-548x-m2x9"},{"url":"https://github.com/webcoast-dk/deferred-image-processing","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-38623","description":"The deferred_image_processing (aka Deferred image processing) extension before 1.0.2 for TYPO3 allows Denial of Service via the FAL API because of /var/transient disk consumption.","status":"published","published":"2021-08-13T16:28:30Z","modified":"2024-08-04T01:44:23.647Z","updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-1527","description":"The deferred_image_processing (aka Deferred image processing) extension before 1.0.2 for TYPO3 allows Denial of Service via the FAL API because of /var/transient disk consumption.","status":"published","published":"2021-08-13T16:28:30Z","modified":"2024-08-04T01:44:23Z","updated_at":"2026-11-03T03:24:24.781045Z"}],"ghsa":[{"id":"GHSA-34jq-548x-m2x9","title":"Improper Resource Shutdown or Release in TYPO3 extension","description":"Wrong usage of the TYPO3 FAL API results in copies of processed files being saved to the /var/transient/ folder of a TYPO3 website on every frontend request. This  can result in Denial of Service, since the webspace may be filled up with image files simply by crafting a large amount of requests to the website.","status":"published","published":"2021-08-30T17:22:57Z","modified":"2023-02-01T05:06:17Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:F/RL:O/RC:C","level":"high"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:36:38.281533Z"}],"nvd":[{"id":"CVE-2021-38623","description":"The deferred_image_processing (aka Deferred image processing) extension before 1.0.2 for TYPO3 allows Denial of Service via the FAL API because of /var/transient disk consumption.","status":"published","published":"2021-08-13T17:15:16.89Z","modified":"2026-06-17T04:02:27.713Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:06:56.943671Z"}],"osv":[{"id":"GHSA-34jq-548x-m2x9","title":"Improper Resource Shutdown or Release in TYPO3 extension","description":"Wrong usage of the TYPO3 FAL API results in copies of processed files being saved to the /var/transient/ folder of a TYPO3 website on every frontend request. This  can result in Denial of Service, since the webspace may be filled up with image files simply by crafting a large amount of requests to the website.","status":"published","published":"2021-08-30T17:22:57Z","modified":"2023-11-08T04:06:28.931809Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:F/RL:O/RC:C","level":"high"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T15:46:35.050232Z"}]}}