CVE-2018-5248: canonical ubuntu_linux Out-of-bounds Read
CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2018-5248DEBIAN-CVE-2018-5248
Published 05-01-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-5248 is a high (CVSS 8.8) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 3.54% chance of exploitation in the next 30 days, higher than 89.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.0 (NVD)EPSS score
3.54%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 3 · Related 1Timeline
- 05-01-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In ImageMagick 7.0.7-17 Q16, there is a heap-based buffer over-read in coders/sixel.c in the ReadSIXELImage function, related to the sixel_decode function.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.54%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.54% on 18-09-2026
18-09-202618-10-2026
EPSS score3.54%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundImagemagick
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- imagemagick< 8:6.9.9.34+dfsg-3
- debian_linuxEOL8.0 | 9.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10 | 18.04
Imagemagick1 product
- imagemagick7.0.7-17
Ubuntu1 product
- imagemagick< 8:6.8.9.9-7ubuntu5.11 | < 8:6.9.7.4+dfsg-16ubuntu6.2
4 vendors · 5 products
