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Vulnerability record · CVE-2026-9698 · published 9 June 2026

CVE-2026-9698: Perl dbi out-of-bounds write vulnerability

Perl · Dbi

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.

9.8 CVSS 3.1 Critical EPSS 0.82% · top 44.4% CWE-787 · Out-of-bounds writeCWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score
0.82%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
11References
3 Sep 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/perl5-dbi/dbi/commit/bfe5d73c162d2d1f761a639a0aa33aad6a9eb54e.patch Patch
https://metacpan.org/release/HMBRAND/DBI-1.648/changes Release Notes
http://www.openwall.com/lists/oss-security/2026/06/09/9 Mailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2026:38512
https://access.redhat.com/errata/RHSA-2026:38513
https://access.redhat.com/errata/RHSA-2026:38901
https://access.redhat.com/errata/RHSA-2026:53371
https://access.redhat.com/errata/RHSA-2026:62667
https://access.redhat.com/security/cve/CVE-2026-9698
https://bugzilla.redhat.com/show_bug.cgi?id=2486734
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-9698.json

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-9698), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.