How severe is CVE-2016-9117?

CVE-2016-9117 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-9117 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9117?

CVE-2016-9117 affects Uclouvain Openjpeg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-9117?

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

When was CVE-2016-9117 published?

CVE-2016-9117 was published on 2016-10-30 and last updated on 2026-06-17.

CVE-2016-9117

CVE-2016-9117 is a medium-severity vulnerability in Uclouvain Openjpeg with a CVSS 3.x base score of 6.5. 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 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Uclouvain Openjpeg
Published: 2016-10-30
Last modified: 2026-06-17

Description

NULL Pointer Access in function imagetopnm of convert.c(jp2):1289 in OpenJPEG 2.1.2. Impact is Denial of Service. Someone must open a crafted j2k file.

Frequently asked questions

What is CVE-2016-9117?: NULL Pointer Access in function imagetopnm of convert.c(jp2):1289 in OpenJPEG 2.1.2. Impact is Denial of Service. Someone must open a crafted j2k file.
How severe is CVE-2016-9117?: CVE-2016-9117 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-9117 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9117?: CVE-2016-9117 affects Uclouvain Openjpeg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-9117?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-9117 published?: CVE-2016-9117 was published on 2016-10-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:uclouvain:openjpeg:2.1.2:*:*:*:*:*:*:*

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CVE-2018-7648 — Critical (CVSS 9.8): An issue was discovered in mj2/opj_mj2_extract.c in OpenJPEG 2.3.0. The output prefix was not checked for length, which…
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