Buffer Overflow Vulnerability in SQLite Software by SQLite
CVE-2026-39113

4MEDIUM

Key Information:

Vendor

SQLite

Status
Vendor
CVE Published:
25 August 2026

What is CVE-2026-39113?

CVE-2026-39113 is a buffer overflow vulnerability discovered in SQLite, an open-source database management system widely used for applications ranging from mobile apps to embedded systems. The vulnerability arises in specific versions that include a particular Fossil check-in. It allows an attacker to invoke functions within SQLite that can lead to a denial of service (DoS) scenario. This could render applications using SQLite inoperable, adversely affecting any organization relying on this database for critical operations. The vulnerability is rooted in the handling of specific components related to data compression and memory allocation, where improper checks can lead to memory corruption, making it a serious concern for system reliability and availability.

Potential impact of CVE-2026-39113

  1. Denial of Service (DoS): Exploiting this buffer overflow can lead to service interruptions, making applications unavailable for users and disrupting business operations. This can have immediate repercussions on productivity and user trust.

  2. Data Integrity Risks: While the immediate impact may manifest as a denial of service, the underlying nature of a buffer overflow may also introduce risks to data integrity. In certain scenarios, this could allow an attacker to manipulate or corrupt data, leading to further operational challenges.

  3. Increased Attack Surface: The presence of this vulnerability could attract threat actors looking to exploit it, increasing the risk of additional attacks. It opens the door for potential follow-up exploits or more sophisticated targeted attacks against systems relying on vulnerable versions of SQLite.

References

CVSS V3.1

Score:
4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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