How severe is CVE-2021-3467?

CVE-2021-3467 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-3467 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3467?

CVE-2021-3467 primarily affects Jasper Project Jasper. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-3467?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-3467 published?

CVE-2021-3467 was published on 2021-03-25 and last updated on 2026-06-17.

CVE-2021-3467

CVE-2021-3467 is a medium-severity vulnerability in Jasper Project Jasper with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Jasper Project Jasper
Published: 2021-03-25
Last modified: 2026-06-17

Description

A NULL pointer dereference flaw was found in the way Jasper versions before 2.0.26 handled component references in CDEF box in the JP2 image format decoder. A specially crafted JP2 image file could cause an application using the Jasper library to crash when opened.

Frequently asked questions

What is CVE-2021-3467?: A NULL pointer dereference flaw was found in the way Jasper versions before 2.0.26 handled component references in CDEF box in the JP2 image format decoder. A specially crafted JP2 image file could cause an application using the Jasper library to crash when opened.
How severe is CVE-2021-3467?: CVE-2021-3467 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-3467 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3467?: CVE-2021-3467 primarily affects Jasper Project Jasper. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-3467?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3467 published?: CVE-2021-3467 was published on 2021-03-25 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:jasper_project:jasper:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

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