What is CVE-2021-3474?

CVE-2021-3474 is a medium-severity vulnerability in Openexr, classified under Integer Overflow or Wraparound. CVSS score: 5.3/10. Published 2021-03-30.

How severe is CVE-2021-3474?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Integer overflow in Openexr

CVE-2021-3474

There's a flaw in OpenEXR in versions before 3.0.0-beta. A crafted input file that is processed by OpenEXR could cause a shift overflow in the FastHufDecoder, potentially leading to problems with application availability.

Vulnerability class: Integer Overflow

EPSS: 0.018 (76.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Openexr
Debian Debian_linux — versions 9.0, 10.0
N/a Openexr — versions OpenEXR 3.0.0-beta

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

secalert@redhat.com (Patch, Third Party Advisory, Issue Tracking)
secalert@redhat.com (Mailing List, Third Party Advisory, Issue Tracking)
secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
secalert@redhat.com (vendor-advisory, Third Party Advisory)
secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-3474?: CVE-2021-3474 is a medium-severity vulnerability in Openexr, classified under Integer Overflow or Wraparound. CVSS score: 5.3/10. Published 2021-03-30.
How severe is CVE-2021-3474?: Medium severity. CVSS v3 base score is 5.3 out of 10.