Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing maliciously crafted web content may lead to arbitrary code execution.
Published 2021-09-08 14:15:12
Updated 2021-09-15 19:45:31
Source Apple Inc.
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2021-30799

0.43%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-30799

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.3
HIGH AV:N/AC:M/Au:N/C:C/I:C/A:C
8.6
10.0
NIST
8.8
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
NIST

CWE ids for CVE-2021-30799

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-30799

Products affected by CVE-2021-30799

  • Apple » Mac Os X
    Versions from including (>=) 10.15 and before (<) 10.15.7
    cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
  • Apple » Mac Os X
    Versions from including (>=) 10.14 and up to, including, (<=) 10.14.6
    cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-001
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-002
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-006
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-007
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-001
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-002
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-003
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-004
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-005
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-006
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-007
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Supplemental Update
    cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Supplemental Update 2
    cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.15.7 Update Security Update 2020-001
    cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-004
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-005
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.15.7 Update Security Update 2020
    cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.15.7 Update Security Update 2020-005
    cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.15.7 Update Security Update 2020-007
    cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2021-001
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2021-002
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.15.7 Update Security Update 2021-001
    cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.15.6 Update Supplemental Update
    cpe:2.3:o:apple:mac_os_x:10.15.6:supplemental_update:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2021-003
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-003:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.14.6 Update Security Update 2021-004
    cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-004:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.15.7 Update Security Update 2021-002
    cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
  • Apple » Mac Os X » Version: 10.15.7 Update Security Update 2021-003
    cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
  • Apple » Iphone Os
    Versions before (<) 14.7
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
  • Apple » Macos
    Versions from including (>=) 11.0 and before (<) 11.5
    cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
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