{"id":"CVE-2020-28951","aliases":["EUVD-2020-21337","GHSA-5w5g-2r2h-2cj2"],"status":"published","title":"libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when...","description":"libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when using malicious package names. This is related to uci_parse_package in file.c and uci_strdup in util.c.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01778,"percentile":0.78512,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2020-11-19T19:01:57Z","modified":"2026-06-17T03:10:54Z","products":[{"vendor":"openwrt","product":"openwrt"}],"references":[{"url":"https://git.openwrt.org/?p=project/uci.git%3Ba=commit%3Bh=a3e650911f5e6f67dcff09974df3775dfd615da6","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://git.openwrt.org/?p=openwrt/openwrt.git%3Ba=commit%3Bh=5625f5bc36954d644cb80adf8de47854c65d91c3","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://git.openwrt.org/?p=openwrt/openwrt.git%3Ba=log%3Bh=refs/tags/v18.06.9","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28951"},{"url":"https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=5625f5bc36954d644cb80adf8de47854c65d91c3"},{"url":"https://git.openwrt.org/?p=openwrt/openwrt.git;a=log;h=refs/tags/v18.06.9"},{"url":"https://git.openwrt.org/?p=project/uci.git;a=commit;h=a3e650911f5e6f67dcff09974df3775dfd615da6"},{"url":"https://github.com/advisories/GHSA-5w5g-2r2h-2cj2"}],"sources":{"cve":[{"id":"CVE-2020-28951","description":"libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when using malicious package names. This is related to uci_parse_package in file.c and uci_strdup in util.c.","status":"published","published":"2020-11-19T19:01:57Z","modified":"2024-08-04T16:48:00.501Z","updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2020-21337","description":"libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when using malicious package names. This is related to uci_parse_package in file.c and uci_strdup in util.c.","status":"published","published":"2020-11-19T19:01:57Z","modified":"2024-08-04T16:48:00Z","updated_at":"2026-11-03T03:07:08.475588Z"}],"ghsa":[{"id":"GHSA-5w5g-2r2h-2cj2","title":"libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when...","description":"libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when using malicious package names. This is related to uci_parse_package in file.c and uci_strdup in util.c.","status":"published","published":"2022-05-24T17:34:40Z","modified":"2023-05-24T15:30:26Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:54:36.087743Z"}],"nvd":[{"id":"CVE-2020-28951","description":"libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when using malicious package names. This is related to uci_parse_package in file.c and uci_strdup in util.c.","status":"published","published":"2020-11-19T19:15:12.017Z","modified":"2026-06-17T03:10:54.13Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}