CVE-2015-8871: debian debian_linux Use After Free
Vulnerability summary
CVE-2015-8871 is a critical (CVSS 9.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 3.55% chance of exploitation in the next 30 days, higher than 89.3% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 4% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 21-09-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Use-after-free vulnerability in the opj_j2k_write_mco function in j2k.c in OpenJPEG before 2.1.1 allows remote attackers to have unspecified impact via unknown vectors.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
3.55%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
Increase +0.58 pp
From 2.96% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- openjpeg2< 2.1.1-1
- debian_linuxEOL8.0
Ubuntu1 product
- openjpeg2< 2.1.2-1.1+deb9u2build0.1
Uclouvain1 product
- openjpeg≤ 2.1.0
3 vendors · 4 products
References
12 links- github.com/uclouvain/openjpeg/blob/master/CHANGELOG.mdX Refsource CONFIRMRelease NotesThird Party Advisory
- github.com/uclouvain/openjpeg/commit/940100c28ae28931722290794889cf84a92c5f6fX Refsource CONFIRMIssue TrackingPatch
- www.openwall.com/lists/oss-security/2015/09/15/4Mailing ListX Refsource MLISTThird Party AdvisoryREPORT