{"id":"CVE-2023-28798","aliases":["EUVD-2023-32433","GHSA-wxgw-4g8w-q999"],"status":"published","title":"Out-of-bounds write to heap in pacparser","description":"An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00435,"percentile":0.38006,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2024-05-02T13:10:31Z","modified":"2026-06-17T05:48:47Z","products":[{"vendor":"zscaler","product":"client connector"},{"vendor":"zscaler","product":"client_connector"}],"references":[{"url":"https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=macOS\u0026applicable_version=3.7\u0026deployment_date=2022-08-19\u0026id=1414851","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28798"},{"url":"https://github.com/advisories/GHSA-wxgw-4g8w-q999"}],"sources":{"cve":[{"id":"CVE-2023-28798","title":"Out-of-bounds write to heap in pacparser","description":"An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution.","status":"published","published":"2024-05-02T13:10:31.933Z","modified":"2024-08-02T13:51:38.162Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:32.752775Z"}],"euvd":[{"id":"EUVD-2023-32433","description":"An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution.","status":"published","published":"2024-05-02T13:10:31Z","modified":"2024-08-02T13:51:38Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T03:50:06.256765Z"}],"ghsa":[{"id":"GHSA-wxgw-4g8w-q999","title":"An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may...","description":"An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution.","status":"published","published":"2024-05-02T15:30:33Z","modified":"2026-02-17T18:32:54Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T15:06:13.684081Z"}],"nvd":[{"id":"CVE-2023-28798","description":"An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution.","status":"published","published":"2024-05-02T13:23:05.807Z","modified":"2026-06-17T05:48:47.64Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"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"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:09:11.362739Z"}]}}