What is CVE-2022-36647?

CVE-2022-36647 is a medium-severity vulnerability in Davs2 Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2022-09-02.

How severe is CVE-2022-36647?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Davs2 Project

CVE-2022-36647

PKUVCL davs2 v1.6.205 was discovered to contain a global buffer overflow via the function parse_sequence_header() at source/common/header.cc:269.

Vulnerability class: Buffer Overflow

Published 2022-09-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (18.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Davs2 Project — versions 1.6.205

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

github.com/pkuvcl/davs2/issues/29 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-36647?: CVE-2022-36647 is a medium-severity vulnerability in Davs2 Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2022-09-02.
How severe is CVE-2022-36647?: Medium severity. CVSS v3 base score is 5.5 out of 10.