CVE-2023-29726
CWE-404Published: May 30, 2023· Updated: Jun 17, 2026
Official Description
The Call Blocker application 6.6.3 for Android incorrectly opens a key component that an attacker can use to inject large amounts of dirty data into the application's database. When the application starts, it loads the data from the database into memory. Once the attacker injects too much data, the application triggers an OOM error and crashes, resulting in a persistent denial of service.
Technical Analysis
CVE-2023-29726 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (6)
Quick Facts
Related CVEs (CWE-404)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-29726 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts