What’s Vulnerable › Vulnerabilities

CVE-2023-40100

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-15 · updated 2026-06-17
• Weakness: CWE-416

Description

In discovery_thread of Dns64Configuration.cpp, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

• Android: 11.0, 12.0, 12.1, 13.0, 14.0

References

• https://android.googlesource.com/platform/packages/modules/DnsResolver/+/8e1561fb603fdaec15798372f865fb1750537f4f
• https://source.android.com/security/bulletin/2023-11-01
• https://android.googlesource.com/platform/packages/modules/DnsResolver/+/8e1561fb603fdaec15798372f865fb1750537f4f
• https://source.android.com/security/bulletin/2023-11-01

Get alerted when CVE-2023-40100 or the next vulnerability affects your stack