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CVE-2021-31239

Published: 9 May 2023

An issue found in SQLite SQLite3 v.3.35.4 that allows a remote attacker to cause a denial of service via the appendvfs.c function.

Notes

AuthorNote
rodrigo-zaiden
appendvfs extension was added in version 3.22
(check-in https://www.sqlite.org/src/info/063a03a3) and the issue was
likely introduced in version 3.35.2 (check-in
https://www.sqlite.org/src/info/25c3186a).

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
sqlite
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
trusty Not vulnerable
(code not present)
upstream Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)
lunar Does not exist

jammy Not vulnerable
(code not present)
sqlite3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
jammy Not vulnerable
(3.37.2-2ubuntu0.1)
kinetic Not vulnerable
(3.39.3-1)
lunar Not vulnerable
(3.40.1-1)
trusty Not vulnerable
(code not present)
upstream
Released (3.36.0-2)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://www.sqlite.org/src/info/04f6439f4d9b9b1f

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H