What is CVE-2022-1515?

CVE-2022-1515 is a medium-severity vulnerability in Matio Project, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2022-05-02.

How severe is CVE-2022-1515?

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

Vulnerability in Matio Project

CVE-2022-1515

A memory leak was discovered in matio 1.5.21 and earlier in Mat_VarReadNextInfo5() in mat5.c via a crafted file. This issue can potentially result in DoS.

Published 2022-05-02 · 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: 0.007 (51.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% 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

Matio Project
Matio — versions matio 1.5.22, matio 1.5.23

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

github.com/tbeu/matio/issues/186 (Exploit, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-1515?: CVE-2022-1515 is a medium-severity vulnerability in Matio Project, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2022-05-02.
How severe is CVE-2022-1515?: Medium severity. CVSS v3 base score is 5.5 out of 10.