01 Record

CVE-2020-9919

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8, iTunes 12.10.8 for Windows,

UnratedPUBLISHEDCNA: apple

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8, iTunes 12.10.8 for Windows,

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 1.51% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 73.9% of scored records. A rank, not a probability.
NVD base score: 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2020-10-22 18:05Z6 YR AGO

Last updated

2024-08-04 10:43Z2 YR AGO

Reserved

2020-03-02

Assigning CNA

apple

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

ee3fd187a74b549a1c5f9ebd4605a6173d125572cfafdfd1c0b8215682e835d5

05 Affected products

VendorProductVersionsPlatforms

AppleiOS< iOS 13.6 and iPadOS 13.6—

ApplemacOS< macOS Catalina 10.15.6—

AppletvOS< tvOS 13.4.8—

ApplewatchOS< watchOS 6.2.8—

AppleiTunes for Windows< iTunes 12.10.8 for Windows—

AppleiCloud for Windows< iCloud for Windows 11.3—

AppleiCloud for Windows (Legacy)< iCloud for Windows 7.20—

06 References

support.apple.comhttps://support.apple.com/kb/HT211289x_refsource_MISC
support.apple.comhttps://support.apple.com/kb/HT211288x_refsource_MISC
support.apple.comhttps://support.apple.com/kb/HT211290x_refsource_MISC
support.apple.comhttps://support.apple.com/kb/HT211291x_refsource_MISC
support.apple.comhttps://support.apple.com/kb/HT211293x_refsource_MISC
support.apple.comhttps://support.apple.com/kb/HT211294x_refsource_MISC
support.apple.comhttps://support.apple.com/kb/HT211295x_refsource_MISC