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CVE-2013-7443

20
FAUCET Score

CVE-2013-7443 describes a buffer overflow vulnerability in SQLite 3.8.2's skip-scan optimization, affecting various products including Canonical SQLite and Ubuntu Linux. This flaw allows remote attackers to trigger a denial of service (crash) through specially crafted SQL statements. With a CVSS score of 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P), it indicates a low-complexity attack that can be exploited over the network without authentication, leading to availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in the KEV catalog, though it has received some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
15.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
3.8.2CPE matchmatch criteria
cpe:2.3:a:sqlite:sqlite:3.8.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.18%
Probability of exploitation in next 30 days
EPSS Percentile
86.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0318 is in the 82nd percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2013-7443Low

sqlite: array overrun in the skip-scan optimization leading to memory corruption (DoS)

Dec 22, 2013

References

bugs.launchpad.net / ubuntu/+source/sqlite3/+bug/1448758
sqlite.org / src/info/520070ec7fbaac73eda0e0123596b7bb3e9a6897
ExploitVendor Advisory
sqlite.org / src/info/ac5852d6403c9c9628ca0aa7be135c702f000698
Exploit
ubuntu.com / usn/usn-2698-1
openwall.com / lists/oss-security/2015/07/14/5
openwall.com / lists/oss-security/2015/07/15/4
securityfocus.com / bid/76089