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CVE-2018-16376

29
FAUCET Score

CVE-2018-16376 is a high-severity heap-based buffer overflow vulnerability affecting OpenJPEG 2.3.0, specifically within the t2_encode_packet function. This flaw allows for an out-of-bounds write, which could be triggered remotely and lead to a denial of service or potentially other significant impacts. While rated with a CVSS score of 8.8, indicating high impact and low attack complexity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.3.0CPE matchmatch criteria
cpe:2.3:a:uclouvain:openjpeg:2.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.65%
Probability of exploitation in next 30 days
EPSS Percentile
84.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0265 is in the 83rd percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Vendor Patches (4)

github_advisoryvendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: openjpeg
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: openjpeg
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: openjpeg

Vendor Advisories (1)

redhatCVE-2018-16376Moderate

openjpeg: Heap-based buffer overflow in function t2_encode_packet in src/lib/openmj2/t2.c

Sep 3, 2018

References

github.com / uclouvain/openjpeg/issues/1127
Vendor Advisory
securityfocus.com / bid/105262
Third Party AdvisoryVDB Entry