Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2020-13434

CVE-2020-13434MEDIUM

n/a n/a — SQLite through 3.32.0 has an integer overflow in sqlite3_str_vappendf in printf.c.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  N  H    5.5   .0100   62.3     —

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  May 24  Reserved by mitre
  May 24  Published (CNA: mitre)
  Oct 14  ENRICHED — CVE-2020-13434. Received CVSS 5.5 and CPE data from NVD.
  Oct 14  EXPLOIT PUBLISHED — CVE-2020-13434. Public exploit reference added.

CWE-190 · CNA: mitre · CVSS v3.1 · 23 references · NVD status: Modified

Description

SQLite through 3.32.0 has an integer overflow in sqlite3_str_vappendf in printf.c.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
May 24, 2020	Reserved	Reserved by mitre
May 24, 2020	Published	Published (CNA: mitre)
October 14, 2026	ENRICHED	ENRICHED — CVE-2020-13434. Received CVSS 5.5 and CPE data from NVD.
October 14, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2020-13434. Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-190

References (23)

http://seclists.org/fulldisclosure/2020/Dec/32 [Mailing List, Third Party Advisory]
http://seclists.org/fulldisclosure/2020/Nov/19 [Mailing List, Third Party Advisory]
http://seclists.org/fulldisclosure/2020/Nov/20 [Mailing List, Third Party Advisory]
http://seclists.org/fulldisclosure/2020/Nov/22 [Mailing List, Third Party Advisory]
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://lists.debian.org/debian-lts-announce/2020/05/msg00024.html [Mailing List, Third Party Advisory]
https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html [Mailing List, Third Party Advisory]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7KXQWHIY2MQP4LNM6ODWJENMXYYQYBN/
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:22.sqlite.asc [Third Party Advisory]
https://security.gentoo.org/glsa/202007-26 [Third Party Advisory]
https://security.netapp.com/advisory/ntap-20200528-0004/ [Third Party Advisory]
https://support.apple.com/kb/HT211843 [Third Party Advisory]
https://support.apple.com/kb/HT211844 [Third Party Advisory]
https://support.apple.com/kb/HT211850 [Third Party Advisory]
https://support.apple.com/kb/HT211931 [Third Party Advisory]
https://support.apple.com/kb/HT211935 [Third Party Advisory]
https://support.apple.com/kb/HT211952 [Third Party Advisory]
https://usn.ubuntu.com/4394-1/ [Third Party Advisory]
https://www.oracle.com/security-alerts/cpuApr2021.html [Patch, Third Party Advisory]
https://www.oracle.com/security-alerts/cpuapr2022.html [Patch, Third Party Advisory]
https://www.oracle.com/security-alerts/cpujul2020.html [Patch, Third Party Advisory]
https://www.sqlite.org/src/info/23439ea582241138 [Exploit, Patch, Vendor Advisory]
https://www.sqlite.org/src/info/d08d3405878d394e [Patch, Vendor Advisory]

Authoritative record: CVE-2020-13434 at cve.org

Weaknesses: CWE-190

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-13434 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.