CVE-2023-2663

CVE-2023-2663 is a low-severity vulnerability in Xpdfreader Xpdf with a CVSS 3.x base score of 2.9. 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-674.

Key facts

Description

In Xpdf 4.04 (and earlier), a PDF object loop in the page label tree leads to infinite recursion and a stack overflow.

Frequently asked questions

What is CVE-2023-2663?
In Xpdf 4.04 (and earlier), a PDF object loop in the page label tree leads to infinite recursion and a stack overflow.
How severe is CVE-2023-2663?
CVE-2023-2663 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2023-2663 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2663?
CVE-2023-2663 affects Xpdfreader Xpdf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2663?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2663 published?
CVE-2023-2663 was published on 2023-05-11 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Xpdfreader Xpdf

All CVEs affecting Xpdfreader Xpdf →

Other CWE-674 (Uncontrolled Recursion) vulnerabilities

Browse all CWE-674 (Uncontrolled Recursion) vulnerabilities →