Vulnerability · Published Aug 25, 2026 · Assigned by mitre
CVE-2026-39113
Medium 4.0
In plain English
A medium-severity heap buffer overflow in the sqlite3 package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Official description
Buffer Overflow vulnerability in SQLite affected version source snapshots/builds containing Fossil check-in 8bdc0d485e3ad0c7a1e818da66f106951d496b05cbe61d12c2c448f2f24b6d5d (Git mirror 169f68ed88b34cb68f720191c64c058f2ccec508, 2026-03-11) and later snapshots/builds allows an attacker to cause a denial of service via the ext/misc/sqlar.c, sqlarUncompressFunc(), sqlar_uncompress(), sqlite3_value_int64(), sqlite3_malloc(int), uncompress() components
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | sqlite3 | no fix listed | DEBIAN-CVE-2026-39113 |
| Debian:14 | sqlite3 | 3.53.2-1 | DEBIAN-CVE-2026-39113 |
| Ubuntu:22.04:LTS | sqlite | no fix listed | UBUNTU-CVE-2026-39113 |
| Ubuntu:22.04:LTS | sqlite3 | 3.37.2-2ubuntu0.8 | USN-8775-1 |
| Ubuntu:22.04:LTS | sqlite3 | 3.37.2-2ubuntu0.8 | UBUNTU-CVE-2026-39113 |
| Ubuntu:24.04:LTS | sqlite3 | 3.45.1-1ubuntu2.8 | USN-8775-1 |
| Ubuntu:24.04:LTS | sqlite3 | 3.45.1-1ubuntu2.8 | UBUNTU-CVE-2026-39113 |
| Ubuntu:26.04:LTS | sqlite3 | 3.46.1-9ubuntu0.3 | UBUNTU-CVE-2026-39113 |
| Ubuntu:26.04:LTS | sqlite3 | 3.46.1-9ubuntu0.3 | USN-8775-1 |
Affected products (as reported)
Weakness: CWE-122 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L