synced 6 MIN AGO
01 Record

CVE-2019-8553

A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2. Clicking a malicious SMS link may lead to arbitrary code execution.

UnratedPUBLISHEDCNA: apple
CNA base scoreUnratedNo CNA CVSS vector

02 Description

A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2. Clicking a malicious SMS link may lead to arbitrary code execution.

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
1.83% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 78.5% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/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
2019-12-18 17:33Z6 YR AGO
Last updated
2024-08-04 21:24Z2 YR AGO
Reserved
2019-02-18
Assigning CNA
apple
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
a5bc581db3367053824e5f9f0e2966046aacf3969ab2f8702138682b6291d0d7

05 Affected products

VendorProductVersionsPlatforms
AppleiOS< iOS 12.2—
AppletvOS< tvOS 12.2—
ApplewatchOS< watchOS 5.2—

06 References