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CVE-2020-14393

20
FAUCET Score

CVE-2020-14393 describes a buffer overflow vulnerability in perl-DBI versions prior to 1.643, impacting distributions like Debian, Fedora, and openSUSE. A local attacker can exploit this by providing an overly long string, leading to an out-of-bounds write that compromises service availability or data integrity. Rated with a CVSS score of 7.1 (HIGH), this vulnerability is relatively easy to exploit locally with low privileges and no user interaction. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.643CPE matchmatch criteria
cpe:2.3:a:perl:database_interface:*:*:*:*:*:*:*:*
15.2CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.60%
Probability of exploitation in next 30 days
EPSS Percentile
45.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0060 is in the 84th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: perl-DBI
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: perl-DBI
redhatvendor investigatingvia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-perl526-perl-DBI
redhatvendor investigatingvia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-perl530-perl-DBI

Vendor Advisories (1)

redhatCVE-2020-14393Low

perl-dbi: Buffer overflow on an overlong DBD class name

Aug 1, 2019

References

lists.opensuse.org / opensuse-security-announce/2020-09/msg00067.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-09/msg00074.html
Broken Link
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
lists.debian.org / debian-lts-announce/2020/09/msg00026.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR
metacpan.org / pod/distribution/DBI/Changes
Release NotesThird Party Advisory