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HIGH

CVE-2026-102993

CVSS v3

7.5

HIGH

EPSS Score

0.3 %

exploit probability, as of 2026-10-02

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.17.0, a crafted PDF can provide unusually large Roman page-label values that cause pypdf/_page_labels.py to generate excessively large numeral strings when an application retrieves document page labels, consuming large amounts of memory and potentially making the application unavailable. This issue is fixed in version 6.17.0.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2026-09-30
Last Modified
2026-10-02

Frequently asked questions

What is CVE-2026-102993?

pypdf is a free and open-source pure-python PDF library. Prior to 6.17.0, a crafted PDF can provide unusually large Roman page-label values that cause pypdf/_page_labels.py to generate excessively large numeral strings when an application retrieves document page labels, consuming large amounts of memory and potentially making the application unavailable. This issue is fixed in version 6.17.0.

Is CVE-2026-102993 actively exploited?

Active exploitation of CVE-2026-102993 has not been confirmed. Its EPSS score was 0.3% on 2026-10-02, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-102993?

CVE-2026-102993 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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