How severe is CVE-2016-4797?

CVE-2016-4797 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-2016-4797 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4797?

CVE-2016-4797 primarily affects Uclouvain Openjpeg. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-4797?

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

When was CVE-2016-4797 published?

CVE-2016-4797 was published on 2017-02-03 and last updated on 2026-06-17.

CVE-2016-4797

CVE-2016-4797 is a medium-severity vulnerability in Uclouvain Openjpeg 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-369.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-369
Affected product: Uclouvain Openjpeg
Published: 2017-02-03
Last modified: 2026-06-17

Description

Divide-by-zero vulnerability in the opj_tcd_init_tile function in tcd.c in OpenJPEG before 2.1.1 allows remote attackers to cause a denial of service (application crash) via a crafted jp2 file. NOTE: this issue exists because of an incorrect fix for CVE-2014-7947.

Frequently asked questions

What is CVE-2016-4797?: Divide-by-zero vulnerability in the opj_tcd_init_tile function in tcd.c in OpenJPEG before 2.1.1 allows remote attackers to cause a denial of service (application crash) via a crafted jp2 file. NOTE: this issue exists because of an incorrect fix for CVE-2014-7947.
How severe is CVE-2016-4797?: CVE-2016-4797 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-2016-4797 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4797?: CVE-2016-4797 primarily affects Uclouvain Openjpeg. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4797?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4797 published?: CVE-2016-4797 was published on 2017-02-03 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*

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