Buffer Overflow Vulnerability in SQLite3 Package - CVE-2026-39113
Summary
DEBIAN-CVE-2026-39113: Buffer Overflow vulnerability in SQLite affected version source snapshots/builds containing Fossil check-in 8bdc0d485e3ad0c7a1e818da66f106951d496b05cbe61d12c2c448f2f24b6d5d (Git mirror 169f68ed88b34cb68f720191c64c058f2cc... Affects sqlite3 versions 3.34.1-3 – 3.53.4-2. No fix is published. How to fix ↓
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Background
SQLite is a widely-used, lightweight, serverless database engine that is embedded in applications. It is known for its simplicity and efficiency, making it a popular choice for developers. The SQLite3 package in Debian distributions provides the SQLite database functionalities. However, recent vulnerabilities have been identified that could compromise the integrity and availability of applications relying on this package.
Vulnerability Detail
The vulnerability identified as CVE-2026-39113 is a buffer overflow issue found in SQLite, specifically in the sqlarUncompressFunc(), sqlar_uncompress(), sqlite3_value_int64(), sqlite3_malloc(int), and uncompress() functions. This flaw allows an attacker to exploit the affected versions of SQLite, leading to potential denial of service attacks. The vulnerability affects source snapshots and builds containing Fossil check-in 8bdc0d485e3ad0c7a1e818da66f106951d496b05cbe61d12c2c448f2f24b6d5d and later, which could allow unauthorized access or crashes in applications using the SQLite database.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If immediate patching is not possible, consider implementing input validation and sanitization to mitigate the risk of exploitation. Additionally, avoid using the vulnerable functions until a patch is applied.
Conclusion
The CVE-2026-39113 vulnerability poses a significant risk to applications using the SQLite3 package in Debian distributions. It is crucial for developers and system administrators to apply the necessary updates and follow best practices to mitigate potential threats.
See every vulnerability recorded for sqlite3 →
FAQ
CVE-2026-39113 is a buffer overflow vulnerability in the SQLite3 package that can lead to denial of service attacks.
The vulnerability affects SQLite3 versions from source snapshots/builds containing Fossil check-in 8bdc0d485e3ad0c7a1e818da66f106951d496b05cbe61d12c2c448f2f24b6d5d and later.
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If you cannot update immediately, implement input validation and avoid using the vulnerable functions until a patch is applied.
More information can be found in the official Debian security advisories and the CVE database.
References
Related vulnerabilities
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