What’s Vulnerable › Vulnerabilities

CVE-2016-4796

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-03 · updated 2026-06-17
• Weakness: CWE-119

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.

Affected products

• Fedoraproject Fedora: 23, 24
• uclouvain openjpeg: through 2.1.0

References

• http://www.openwall.com/lists/oss-security/2016/05/13/2
• https://bugzilla.redhat.com/show_bug.cgi?id=1335482
• https://github.com/uclouvain/openjpeg/commit/162f6199c0cd3ec1c6c6dc65e41b2faab92b2d91
• https://github.com/uclouvain/openjpeg/issues/774
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FFMOZOF2EI6N2CR23EQ5EATWLQKBMHW/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BJM23YERMEC6LCTWBUH7LZURGSLZDFDH/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFRD35RIPRCGZA5DKAKHZ62LMP2A5UT7/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPMDEUIMHTLKMHELDL4F4HZ7X4Y34JEB/
• https://www.oracle.com/security-alerts/cpujul2020.html
• http://www.openwall.com/lists/oss-security/2016/05/13/2
• https://bugzilla.redhat.com/show_bug.cgi?id=1335482
• https://github.com/uclouvain/openjpeg/commit/162f6199c0cd3ec1c6c6dc65e41b2faab92b2d91

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