What is CVE-2022-40755?

CVE-2022-40755 is a medium-severity vulnerability in Jasper Project, classified under Reachable Assertion. CVSS score: 5.5/10. Published 2022-09-16.

How severe is CVE-2022-40755?

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

Vulnerability in Jasper Project

CVE-2022-40755

JasPer 3.0.6 allows denial of service via a reachable assertion in the function inttobits in libjasper/base/jas_image.c.

Published 2022-09-16 · 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: 0.004 (28.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Jasper Project — versions 3.0.6

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

github.com/jasper-software/jasper/issues/338 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-40755?: CVE-2022-40755 is a medium-severity vulnerability in Jasper Project, classified under Reachable Assertion. CVSS score: 5.5/10. Published 2022-09-16.
How severe is CVE-2022-40755?: Medium severity. CVSS v3 base score is 5.5 out of 10.