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Ubuntu 26.04 SQLite Critical DoS Buffer Overread USN-8565-1

ubuntu
Calendar Grey July 20, 2026
Scroller Ubuntu
Multiple issues in SQLite could lead to crashes and sensitive data exposure, requiring urgent updates for Ubuntu systems.
Several security issues were fixed in SQLite.

Summary

Several security issues were fixed in SQLite.

Software Description:

- sqlite3: C library that implements an SQL database engine

Details:

It was discovered that SQLite did not properly handle NULL pointer

dereferences in the Session Extension when applying a corrupt changeset.

An attacker could possibly use this issue to cause SQLite to crash,

resulting in a denial of service. (CVE-2026-50812)

It was discovered that SQLite had a buffer overread in the Session

Extension when processing a corrupt changeset. An attacker could possibly

use this issue to obtain sensitive information. (CVE-2026-50813)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important buffer overread sqlite3

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 26.04 LTS
  sqlite3                         3.46.1-9ubuntu0.2

Ubuntu 24.04 LTS
  sqlite3                         3.45.1-1ubuntu2.7

Ubuntu 22.04 LTS
  sqlite3                         3.37.2-2ubuntu0.7

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-8565-1

CVE-2026-50812, CVE-2026-50813

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8565-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important buffer overread sqlite3

Package Information

https://launchpad.net/ubuntu/+source/sqlite3/3.46.1-9ubuntu0.2
https://launchpad.net/ubuntu/+source/sqlite3/3.45.1-1ubuntu2.7
https://launchpad.net/ubuntu/+source/sqlite3/3.37.2-2ubuntu0.7

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