Home/CVE/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
CVE

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

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.

MEDIUM · CVSS 5.3 EPSS 0.0101
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
▤

Affected Products & Versions

3
openexr< 2.4.3
openexr>= 2.5.0 and < 2.5.4
debian linuxall versions
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Mar 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
⚑

Vendor Advisories

3
suse-csafopenSUSE-SU-2021:0536-1
suse-csafSUSE-SU-2021:1097-1
usnUSN-4900-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24831Issue TrackingMailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1939142Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00001.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202107-27Third Party Advisory
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