EUVD-2021-17878

🗓️ 07 Oct 2025 00:30:54Reported by EUVDType

Buffer overflow fixed in Security Update 2021-008 allows memory handling improvements for macOS.

Reporter	Title	Published	Views	Family All 14
Apple	About the security content of macOS Big Sur 11.6.2	13 Dec 202100:00	–	apple
Apple	About the security content of Security Update 2021-008 Catalina	13 Dec 202100:00	–	apple
CNNVD	Apple macOS Big Sur 缓冲区错误漏洞	24 Aug 202100:00	–	cnnvd
CVE	CVE-2021-30961	24 Aug 202118:51	–	cve
Cvelist	CVE-2021-30961	24 Aug 202118:51	–	cvelist
Tenable Nessus	macOS 11.x < 11.6.2 (HT212979)	21 Dec 202100:00	–	nessus
Tenable Nessus	macOS 10.15.x < Catalina Security Update 2021-008 Catalina (HT212981)	21 Dec 202100:00	–	nessus
NCSC	Vulnerabilities fixed in Apple macOS	14 Dec 202100:00	–	ncsc
NVD	CVE-2021-30961	24 Aug 202119:15	–	nvd
OpenVAS	Apple Mac OS X Security Update (HT212979)	17 Mar 202200:00	–	openvas

[
  {
    "enisaIdVendor": [
      {
        "id": "7fadaef8-bcab-3d97-9c0d-64493c8a544a",
        "vendor": {
          "name": "Apple"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "4619e57b-3a07-3606-aa96-adb200484a5c",
        "product": {
          "name": "macOS"
        },
        "product_version": "unspecified <2021"
      },
      {
        "id": "8b5bd5b6-3ff7-3c0a-830f-98a9452f8241",
        "product": {
          "name": "macOS"
        },
        "product_version": "unspecified <11.6"
      }
    ]
  }
]

Source	Link
support	www.support.apple.com/en-us/HT212979
support	www.support.apple.com/en-us/HT212981
github	www.github.com/advisories/GHSA-293c-r3p4-g63r

07 Oct 2025 00:30Current

5.5Medium risk

Vulners AI Score5.5

CVSS 3.15.5

CVSS 24.3

EPSS0.00235