What is CVE-2023-36464?

CVE-2023-36464 is a medium-severity vulnerability in Py-pdf Pypdf, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.2/10. Published 2023-06-27.

How severe is CVE-2023-36464?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Vulnerability in Py-pdf Pypdf

CVE-2023-36464

pypdf is an open source, pure-python PDF library. In affected versions an attacker may craft a PDF which leads to an infinite loop if `__parse_content_stream` is executed. That is, for example, the case if the user extracted text from such…

EPSS: 0.001 (26.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Py-pdf Pypdf — versions pypdf: < 3.90, PyPDF2: >= 2.2.0

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

https://github.com/py-pdf/pypdf/security/advisories/GHSA-4vvm-4w3v-6mr8 (x_refsource_CONFIRM)
https://github.com/py-pdf/pypdf/pull/1828 (x_refsource_MISC)
https://github.com/py-pdf/pypdf/pull/969 (x_refsource_MISC)

Frequently asked questions

What is CVE-2023-36464?: CVE-2023-36464 is a medium-severity vulnerability in Py-pdf Pypdf, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.2/10. Published 2023-06-27.
How severe is CVE-2023-36464?: Medium severity. CVSS v3 base score is 6.2 out of 10.