PT-2022-9171 · Sqlite+2 · Sqlite+2

Published 2022-08-25 · Updated 2025-05-13 · CVE-2021-20223

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Sqlite versions prior to 3.34.0

Description An issue was found in the fts5UnicodeTokenize() function in ext/fts5/fts5 tokenize.c in Sqlite. A unicode61 tokenizer configured to treat unicode "control-characters" (class Cc), was treating embedded nul characters as tokens.

Recommendations For versions prior to 3.34.0, update to sqlite-3.34.0 or later to resolve the issue. As a temporary workaround, consider restricting the use of the fts5UnicodeTokenize() function until a patch is available.

Fix

Related Identifiers

CVE-2021-20223

DLA-3107-1

OESA-2022-1876

OESA-2022-1877

USN-5615-1

Affected Products

Linuxmint

Sqlite

Ubuntu

References · 17

• https://cve.org/CVERecord?id=CVE-2021-20223 · Security Note
• https://ubuntu.com/security/CVE-2020-35525 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5615-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1876 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1877 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5615-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-20223 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-35527 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20223 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-20223 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3107-1 · Vendor Advisory
• https://sqlite.org/forum/forumpost/09609d7e22 · Note
• https://t.me/cvenotify/35171 · Telegram Post
• https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1877 · Note
• https://t.me/cvenotify/35351 · Telegram Post