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01 Record

CVE-2026-21499

NULL Pointer Dereference in iccDEV XML Parser

MediumPUBLISHEDCNA: GitHub_M
CNA base score5.5 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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02 Description

NULL Pointer Dereference in iccDEV XML Parser

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.18% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 8.4% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-01-07 17:09Z9 MO AGO
Last updated
2026-01-07 18:21Z9 MO AGO
Reserved
2025-12-29
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Medium (CVSS 5.5)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-20Improper Input ValidationClass
  • CWE-476NULL Pointer DereferenceBase
  • CWE-690Unchecked Return Value to NULL Pointer DereferenceCompound
Data version
5.2
Document digest
14cb89c84085dc845c2d5a44e1385c105ca41dabe68f742d1c2397ac1c26fc57

05 Affected products

VendorProductVersionsPlatforms
InternationalColorConsortiumiccDEV< 2.3.1.2—

06 References