CVE-2026-4967 Denial of service in SC7731E/SC9832E/SC9863A/T310/T610/T618/T7200/T7225/T7250/T7255/T7280/T7300/T8100/T9100/T8200/T8300
Remote attackers can cause denial of service in Unisoc Android devices via an out-of-bounds read in IMS, requiring no additional privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-4967?
CVE-2026-4967 is a high-severity denial of service vulnerability in Unisoc (Shanghai) Technologies Co., Ltd. SC7731E/SC9832E/SC9863A/T310/T610/T618/T7200/T7225/T7250/T7255/T7280/T7300/T8100/T9100/T8200/T8300, published on 3 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In IMS, there is a possible out of bounds read due to a missing bounds check. This could lead to remote denial of service with no additional execution privileges needed.
Which versions are affected by CVE-2026-4967?
How do I fix CVE-2026-4967?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-4967 being exploited?
There is no known exploitation of CVE-2026-4967 in the wild and no public exploit code.
Sources
Also known as A-508074243, ASB-A-508074243, GHSA-5fx8-7mc9-6rhf, U-3304745.