How severe is CVE-2026-10879?

CVE-2026-10879 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-10879 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-10879?

CVE-2026-10879 affects Perl Dbi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-10879?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-10879 have an EU (EUVD) identifier?

Yes. CVE-2026-10879 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34843.

When was CVE-2026-10879 published?

CVE-2026-10879 was published on 2026-06-05 and last updated on 2026-06-17.

CVE-2026-10879

CVE-2026-10879 is a critical-severity vulnerability in Perl Dbi with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34843
Weakness: CWE-787
Affected product: Perl Dbi
Published: 2026-06-05
Last modified: 2026-06-17

Description

DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders. The preparse method expands SQL placeholder characters to numbered binders of the form :pN, but only allocates three characters per binder in the buffer. Placeholders 10-99 require four characters, 100-999 require five characters, et cetera.

Frequently asked questions

What is CVE-2026-10879?: DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders. The preparse method expands SQL placeholder characters to numbered binders of the form :pN, but only allocates three characters per binder in the buffer. Placeholders 10-99 require four characters, 100-999 require five characters, et cetera.
How severe is CVE-2026-10879?: CVE-2026-10879 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-10879 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-10879?: CVE-2026-10879 affects Perl Dbi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-10879?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-10879 have an EU (EUVD) identifier?: Yes. CVE-2026-10879 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34843.
When was CVE-2026-10879 published?: CVE-2026-10879 was published on 2026-06-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:perl:dbi:*:*:*:*:*:*:*:*

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