Integer overflow in Openexr

CVE-2021-26945

An integer overflow leading to a heap-buffer overflow was found in OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

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 (50.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-26945: held from 0.007 to 0.007.

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

Affected products

  • Openexr
  • Openexr — versions OpenEXR 3.0.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-26945?
CVE-2021-26945 is a medium-severity vulnerability in Openexr, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2021-06-08.
How severe is CVE-2021-26945?
Medium severity. CVSS v3 base score is 5.5 out of 10.