SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-4796

Heap-based buffer overflow in the color_cmyk_to_rgb in common/color.c in OpenJPEG before 2.1.1 allows remote attackers to cause a denial of service (crash) via a crafted .j2k file.

MEDIUM 5.5EPSS 3.56%

Does this matter?

Lower severity and a low EPSS score (3.56%). Track it; it rarely justifies an emergency change on its own.

Description

Heap-based buffer overflow in the color_cmyk_to_rgb in common/color.c in OpenJPEG before 2.1.1 allows remote attackers to cause a denial of service (crash) via a crafted .j2k file.

CVSS 3.0
5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
3.56% probability · 89th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-119
Affected
uclouvain/openjpeg · fedoraproject/fedora
Source
cve@mitre.org
EPSS trend
0%5%10%21 September 2026: 6.64%22 September 2026: 3.56%26 October 2026: 3.56%21 September 202626 October 2026

EPSS moved from 6.6% on 21 September 2026 to 3.6% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.