Home/CVE/A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts c
CVE

CVE-2021-20299

A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts c

A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to system availability.

HIGH · CVSS 7.5 EPSS 0.01029
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

2
openexr< 2.5.4
debian linuxall versions
▣

Scoring & Timeline

7.5
HIGH · 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 NVD16 Mar 2022 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

4
suse-csafSUSE-SU-2021:2913-1
suse-csafopenSUSE-SU-2021:1198-1
suse-csafopenSUSE-SU-2021:2793-1
suse-csafSUSE-SU-2021:2793-1
🔗

References & Sources

4
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=25740Mailing ListPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1939154Issue TrackingPatchThird Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/commit/25e9515b06a6bc293d871622b8cafaee7af84e0fPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing ListThird Party Advisory
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin