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01 Record

CVE-2021-27804

JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.98% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 90.1% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. 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
2021-03-02 00:30Z5 YR AGO
Last updated
2024-08-03 21:33Z2 YR AGO
Reserved
2021-02-26
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
c396db58832461750ff363e1d5bb64e5e845a415eabca6afe5892f9825bc78c9

05 Affected products

VendorProductVersionsPlatforms
libjxl_projectlibjxlNot specified—

06 References