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CVE-2015-8871

25
FAUCET Score

CVE-2015-8871 is a critical use-after-free vulnerability in the opj_j2k_write_mco function of OpenJPEG versions prior to 2.1.1, affecting Debian and UCLouvain distributions. With a CVSS score of 9.8, this vulnerability allows unauthenticated remote attackers to achieve high impact on confidentiality, integrity, and availability with low attack complexity. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
<= 2.1.0CPE matchmatch criteria
cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.96%
Probability of exploitation in next 30 days
EPSS Percentile
85.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0296 is in the 77th percentile among its peer group of 36,897 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2015-8871Moderate

openjpeg: Use-after-free in opj_j2k_write_mco function

Sep 15, 2015

References

bugzilla.redhat.com / show_bug.cgi
Issue Tracking
github.com / uclouvain/openjpeg/blob/master/CHANGELOG.md
Release NotesThird Party Advisory
github.com / uclouvain/openjpeg/commit/940100c28ae28931722290794889cf84a92c5f6f
Issue TrackingPatch
github.com / uclouvain/openjpeg/issues/563
Issue TrackingPatch
security.gentoo.org / glsa/201612-26
debian.org / security/2016/dsa-3665
Third Party Advisory
openwall.com / lists/oss-security/2015/09/15/4
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2016/05/13/1
Mailing ListThird Party Advisory
securitytracker.com / id/1038623