What’s Vulnerable › Vulnerabilities

CVE-2020-14393

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-16 · updated 2026-06-17
• Weakness: CWE-121

Description

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.

Affected products

• Debian Linux: 9.0
• Fedoraproject Fedora: 31
• openSUSE Leap: 15.2
• perl Database Interface: before 1.643 — fixed in 1.643

How to fix

Upgrade to a fixed version: perl Database Interface 1.643. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00067.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00074.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1877409
• https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/
• https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00067.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00074.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1877409
• https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/
• https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643

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