Critical severity · published Jun 9, 2026
CVE-2026-9698
DBI versions before 1.648 for Perl saved errors in a limited-sized buffer
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
DBI versions before 1.648 for Perl saved errors in a limited-sized buffer.
Error messages that were returned when RaiseError, PrintError or HandleError were set were written to a 200-byte buffer without a length limit.
Attackers that can influence the error text in an application can trigger a buffer overflow.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DB
DBI · HMBRAND
before 1.648 · source: vendor, NVD
RH
Red Hat Enterprise Linux 10 · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat Insights proxy 1.5 · Red Hat
All versions, or not specified · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9698
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9698
Patch
https://github.com/perl5-dbi/dbi/commit/bfe5d73c162d2d1f761a639a0aa33aad6a9eb54e.patch
Release Notes
https://metacpan.org/release/HMBRAND/DBI-1.648/changes
Mailing List
http://www.openwall.com/lists/oss-security/2026/06/09/9
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:38512
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:38513
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:38901
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