CVE-2019-20919

Description

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.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-... third party advisory
https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ff third party advisory patch
https://usn.ubuntu.com/4534-1/ third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/ vendor advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00012.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.html mailing list third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-20919?
CVE-2019-20919 has been scored as a medium severity vulnerability.
How to fix CVE-2019-20919?
To fix CVE-2019-20919, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-20919 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-20919 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.