What is CVE-2023-31566?

CVE-2023-31566 is a high-severity vulnerability in Podofo Project, classified under Use After Free. CVSS score: 8.8/10. Published 2023-05-10.

How severe is CVE-2023-31566?

High severity. CVSS v3 base score is 8.8 out of 10.

Use After Free in Podofo Project

CVE-2023-31566

Podofo v0.10.0 was discovered to contain a heap-use-after-free via the component PoDoFo::PdfEncrypt::IsMetadataEncrypted().

Vulnerability class: Use-After-Free

Published 2023-05-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Podofo Project — versions 0.10.0

Weakness classification (CWE)

CWE-416 — Use After Free

References

github.com/podofo/podofo/issues/70 (Exploit, Patch, Issue Tracking)

Frequently asked questions

What is CVE-2023-31566?: CVE-2023-31566 is a high-severity vulnerability in Podofo Project, classified under Use After Free. CVSS score: 8.8/10. Published 2023-05-10.
How severe is CVE-2023-31566?: High severity. CVSS v3 base score is 8.8 out of 10.