CVE-2013-7443

Exp

Buffer overflow in the skip-scan optimization in SQLite 3.8.2 allows remote attackers to cause a denial of service (crash) via crafted SQL statements.

Published: 2015-08-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-7443 is rated High Exploit Risk (66.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.18%). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.72% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2013-7443

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-7443

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.45% 3.18% +1.72%
2 2026-05-13 1.27% 1.45% +0.18%
3 2025-12-28 — 1.27% —

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-7443

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2013-7443

OS Trackers for CVE-2013-7443

vendor priority summary link
debian not yet assigned CVE-2013-7443 not yet assigned priority: Debian including 1 source packages (sqlite3), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-7443
redhat low — https://access.redhat.com/security/cve/CVE-2013-7443
ubuntu medium CVE-2013-7443 medium priority: Ubuntu including 1 source packages (sqlite3), 5 status rows across 5 suites (precise, trusty, upstream, utopic, vivid): not-affected 3, released 2. https://ubuntu.com/security/CVE-2013-7443

Affected software / configurations for CVE-2013-7443

Vendor Product Version Raw CPE
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 15.04 cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
sqlite sqlite 3.8.2 cpe:2.3:a:sqlite:sqlite:3.8.2:*:*:*:*:*:*:*

References for CVE-2013-7443

cvelogic Threat Intelligence