{"id":"CVE-2021-39532","aliases":["EUVD-2021-25889","GHSA-qrqj-373x-w46c"],"status":"published","title":"An issue was discovered in libslax through v0.22.1. A NULL pointer dereference exists in the...","description":"An issue was discovered in libslax through v0.22.1. A NULL pointer dereference exists in the function slaxLexer() located in slaxlexer.c. It allows an attacker to cause Denial of Service.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00857,"percentile":0.5872,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2021-09-20T15:26:51Z","modified":"2026-10-20T10:53:53Z","products":[{"vendor":"juniper","product":"libslax"}],"references":[{"url":"https://github.com/Juniper/libslax/issues/50","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39532"},{"url":"https://github.com/advisories/GHSA-qrqj-373x-w46c"}],"sources":{"cve":[{"id":"CVE-2021-39532","description":"An issue was discovered in libslax through v0.22.1. A NULL pointer dereference exists in the function slaxLexer() located in slaxlexer.c. It allows an attacker to cause Denial of Service.","status":"published","published":"2021-09-20T15:26:51Z","modified":"2024-08-04T02:06:42.474Z","updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-25889","description":"An issue was discovered in libslax through v0.22.1. A NULL pointer dereference exists in the function slaxLexer() located in slaxlexer.c. It allows an attacker to cause Denial of Service.","status":"published","published":"2021-09-20T15:26:51Z","modified":"2024-08-04T02:06:42Z","updated_at":"2026-11-03T03:24:23.166742Z"}],"ghsa":[{"id":"GHSA-qrqj-373x-w46c","title":"An issue was discovered in libslax through v0.22.1. A NULL pointer dereference exists in the...","description":"An issue was discovered in libslax through v0.22.1. A NULL pointer dereference exists in the function slaxLexer() located in slaxlexer.c. It allows an attacker to cause Denial of Service.","status":"published","published":"2022-05-24T19:15:10Z","modified":"2023-01-30T05:02:18Z","cwes":["CWE-476"],"updated_at":"2026-11-02T14:46:36.123786Z"}],"nvd":[{"id":"CVE-2021-39532","description":"An issue was discovered in libslax through v0.22.1. A NULL pointer dereference exists in the function slaxLexer() located in slaxlexer.c. It allows an attacker to cause Denial of Service.","status":"published","published":"2021-09-20T16:15:12.253Z","modified":"2026-06-17T04:03:46.143Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:06:58.933037Z"}],"osv":[{"id":"CVE-2021-39532","description":"An issue was discovered in libslax through v0.22.1. A NULL pointer dereference exists in the function slaxLexer() located in slaxlexer.c. It allows an attacker to cause Denial of Service.","status":"published","published":"2021-09-20T16:15:12.253Z","modified":"2026-10-20T10:53:53.320141463Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:20.843843Z"}]}}