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Fencer Vulns
medium 4.7

CVE-2019-20919 json

An issue was discovered in the DBI module before 1.643 for Perl.

published 2020-09-17 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-11452

cvss
4.7
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.

Patch / fix

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

debian advisories DEBIAN-CVE-2019-20919

  • libdbi-perl Ubuntu 16.04 LTS 1.634-1ubuntu0.2
  • libdbi-perl Ubuntu 18.04 LTS 1.640-1ubuntu0.2
  • libdbi-perl Ubuntu Pro 14.04 LTS 1.630-1ubuntu0.1~esm5

ubuntu advisories UBUNTU-CVE-2019-20919

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 11 SP4-LTSS, SLE Point of Sale 11 SP3 1.607-3.6.1
  • perl-DBI SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +14 more 1.628-5.6.1
  • perl-DBI SLE Module for Basesystem 15 SP2 1.642-3.6.1
  • perl-DBI SLES for SAP 15, SLES 15-LTSS, SLE Module for Basesystem 15 SP1 +2 more 1.639-3.11.1

suse advisories SUSE-SU-2020:14510-1SUSE-SU-2020:2856-1SUSE-SU-2020:2828-1SUSE-SU-2020:2827-1

  • perl-DBI openSUSE Tumbleweed 1.643-4.1
  • perl-DBI openSUSE Leap 15.2 1.642-lp152.2.6.1
  • perl-DBI openSUSE Leap 15.1 1.639-lp151.3.13.1

opensuse advisories openSUSE-SU-2024:14061-1openSUSE-SU-2020:1628-1openSUSE-SU-2020:1620-1

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-2019-20919 updated cvss 4.7

perl-dbi: NULL profile dereference in dbi_profile()

  • 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

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 1.9 AV:L/AC:M/Au:N/C:N/I:N/A:P

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.