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Fencer Vulns
high 7.1

CVE-2020-14393 json

A buffer overflow was found in perl-DBI < 1.643 in DBI.xs.

published 2020-09-16 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6532

cvss
7.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.

Patch / fix

  • perl database_interface 1.643
  • libdbi-perl Debian 14, Debian 13, Debian 12 1.643-1

debian advisories DEBIAN-CVE-2020-14393

  • libdbi-perl Ubuntu 18.04 LTS 1.640-1ubuntu0.3
  • libdbi-perl Ubuntu Pro 16.04 LTS 1.634-1ubuntu0.2+esm1

ubuntu advisories UBUNTU-CVE-2020-14393

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • perl-DBI SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +14 more 1.628-5.3.1
  • perl-DBI SLE Module for Basesystem 15 SP2 1.642-3.3.1
  • perl-DBI SLES for SAP 15, SLES 15-LTSS, SLE Module for Basesystem 15 SP1 +2 more 1.639-3.8.1
  • perl-DBI SLES 11 SP4-LTSS, SLE Point of Sale 11 SP3 1.607-3.3.1

suse advisories SUSE-SU-2020:2661-1SUSE-SU-2020:2646-1SUSE-SU-2020:2645-1SUSE-SU-2020:14493-1

  • perl-DBI openSUSE Tumbleweed 1.643-4.1
  • perl-DBI openSUSE Leap 15.1 1.639-lp151.3.7.1
  • perl-DBI openSUSE Leap 15.2 1.642-lp152.2.3.1

opensuse advisories openSUSE-SU-2024:14061-1openSUSE-SU-2020:1502-1openSUSE-SU-2020:1483-1

  • perl-dbi Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 1.643-r0

alpine advisories ALPINE-CVE-2020-14393

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-14393 updated cvss 7.1

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

  • Red Hat Enterprise Linux 5 perl-DBI Red Hat Enterprise Linux 6 perl-DBI
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 perl-DBI Red Hat Enterprise Linux 8 perl-DBI Red Hat Software Collections rh-perl526-perl-DBI, rh-perl530-perl-DBI
    affected: no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
NVD 2.0 3.6 AV:L/AC:L/Au:N/C:N/I:P/A:P

Affected products

  • n/a perl-dbi

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.