Is CVE-2016-1923 in the CISA KEV catalog?

No. CVE-2016-1923 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-1923?

CVE-2016-1923 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2016-1923?

CVE-2016-1923 has an EPSS score of 2.31% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-1923?

Upgrade openjpeg2 on debian 11 to 2.1.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2016-1923

MEDIUMEPSS 81th pctl

6.5

CVSS v3

NVD

Description

Heap-based buffer overflow in the opj_j2k_update_image_data function in OpenJpeg 2016.1.18 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted JPEG 2000 image.

CWE-119Buffer Overflow

How to fix

Remediation Available

openjpeg2Debian

Fixed in:2.1.1-1CVE-2016-1923

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

2.31%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Other references4

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.