CVE-2018-9539 is a high-severity use-after-free vulnerability in the ClearKey CAS descrambler affecting Android versions 8.0, 8.1, and 9. This race condition allows for local escalation of privilege without user interaction or additional execution privileges. With a CVSS score of 7.0, it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.0CPE matchmatch criteria | cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:* | ||
8.1CPE matchmatch criteria | cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.