{"cve":"CVE-2022-4064","nvd":{"published":"2022-11-19T19:15:09.780","modified":"2026-06-17T05:19:53.030","status":"Modified","description":"A vulnerability was found in Dalli up to 3.2.2. It has been classified as problematic. Affected is the function self.meta_set of the file lib/dalli/protocol/meta/request_formatter.rb of the component Meta Protocol Handler. The manipulation of the argument cas/ttl leads to injection. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 3.2.3 is able to address this issue. The patch is identified as 48d594dae55934476fec61789e7a7c3700e0f50d. It is recommended to upgrade the affected component.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","score":3.7},"cwes":["CWE-74","CWE-707"],"references":["https://github.com/advisories/GHSA-3xg8-cc8f-9wv2","https://github.com/petergoldstein/dalli/commit/48d594dae55934476fec61789e7a7c3700e0f50d","https://github.com/petergoldstein/dalli/issues/932","https://github.com/petergoldstein/dalli/pull/933","https://github.com/petergoldstein/dalli/releases/tag/v3.2.3"],"products":["dalli_project:dalli"],"source":"nvd","synced_at":"2026-10-19T21:37:28.463369388+00:00"},"epss":{"cve":"CVE-2022-4064","score":0.01398,"percentile":0.72453,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3xg8-cc8f-9wv2","url":"https://osv.dev/vulnerability/GHSA-3xg8-cc8f-9wv2","summary":"Unsanitized input leading to code injection in Dalli","modified":"2023-11-08T04:10:24.443144Z","packages":[{"ecosystem":"RubyGems","name":"dalli","purl":"pkg:gem/dalli","ranges":["<3.2.3"],"fixed":["3.2.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}