How severe is CVE-2023-6299?

CVE-2023-6299 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2023-6299 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6299?

CVE-2023-6299 affects Itextpdf Itext. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6299?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-6299 published?

CVE-2023-6299 was published on 2023-11-26 and last updated on 2026-06-17.

CVE-2023-6299

CVE-2023-6299 is a medium-severity vulnerability in Itextpdf Itext with a CVSS 3.x base score of 4.3. 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-401.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-401
Affected product: Itextpdf Itext
Published: 2023-11-26
Last modified: 2026-06-17

Description

A vulnerability, which was classified as problematic, has been found in Apryse iText 8.0.1. This issue affects some unknown processing of the file PdfDocument.java of the component Reference Table Handler. The manipulation leads to memory leak. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 8.0.2 is able to address this issue. It is recommended to upgrade the affected component. The identifier VDB-246125 was assigned to this vulnerability. NOTE: The vendor was contacted early about this vulnerability. The fix was introduced in the iText 8.0.2 release on October 25th 2023, prior to the disclosure.

Frequently asked questions

What is CVE-2023-6299?: A vulnerability, which was classified as problematic, has been found in Apryse iText 8.0.1. This issue affects some unknown processing of the file PdfDocument.java of the component Reference Table Handler. The manipulation leads to memory leak. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 8.0.2 is able to address this issue. It is recommended to upgrade the affected component. The identifier VDB-246125 was assigned to this vulnerability. NOTE: The vendor was contacted early about this vulnerability. The fix was introduced in the iText 8.0.2 release on October 25th 2023, prior to the disclosure.
How severe is CVE-2023-6299?: CVE-2023-6299 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2023-6299 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6299?: CVE-2023-6299 affects Itextpdf Itext. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6299?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-6299 published?: CVE-2023-6299 was published on 2023-11-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:itextpdf:itext:8.0.1:*:*:*:*:*:*:*

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