CVE-2018-6616: canonical ubuntu_linux Uncontrolled Resource Consumption
Vulnerability summary
CVE-2018-6616 is a medium (CVSS 5.5) Uncontrolled Resource Consumption vulnerability in canonical ubuntu_linux. EPSS estimates a 1.66% chance of exploitation in the next 30 days, higher than 76.6% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 3Timeline
- 04-02-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In OpenJPEG 2.3.0, there is excessive iteration in the opj_t1_encode_cblks function of openjp2/t1.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file.
CVSS metrics
7 scores · 5 sources · 3 versions- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
1.66%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
Decrease -0.07 pp
From 1.73% 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
1 foundOpenjpeg
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat7 products
- openjpeg2< 0:2.3.1-1.el8 | < 0:2.3.1-1.el7
- openjpeg2-debuginfo< 0:2.3.1-1.el8 | < 0:2.3.1-1.el7
- openjpeg2-debugsource< 0:2.3.1-1.el8
- openjpeg2-devel< 0:2.3.1-1.el8 | < 0:2.3.1-1.el7
- openjpeg2-devel-docs< 0:2.3.1-1.el8 | < 0:2.3.1-1.el7
Debian2 products
- openjpeg2< 2.3.0-2
- debian_linuxEOL8.0 | 9.0
Alpine1 product
- openjpeg< 2.3.0-r2 | < 2.3.0-r1
Canonical1 product
- ubuntu_linuxEOL18.04
Oracle1 product
- georaster18c
Ubuntu1 product
- openjpeg2< 2.1.2-1.1+deb9u3build0.16.04.1 | < 2.3.0-2build0.18.04.1
Uclouvain1 product
- openjpeg2.3.0
7 vendors · 14 products
References
20 links
lists.debian.org/debian-lts-announce/2018/12/msg00013.htmlMailing ListX Refsource MLISTThird Party Advisory
