CVE-2018-15127: canonical ubuntu_linux Out-of-bounds Write
CVSS: 9.8v3.0CriticalModified
AliasesRHSA-2019:0059UBUNTU-CVE-2018-15127DEBIAN-CVE-2018-15127
Published 19-12-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-15127 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in canonical ubuntu_linux. EPSS estimates a 15.09% chance of exploitation in the next 30 days, higher than 96.7% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
15.09%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 13 · Related 8Timeline
- 19-12-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server code of file transfer extension that can result remote code execution
CVSS metrics
5 scores · 4 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources4 sources · 7.5–9.8
- OSV · Red hatEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- 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
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
15.09%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 15.09% on 18-09-2026
18-09-202618-10-2026
EPSS score15.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat9 products
- enterprise_linux_desktop7.0
- enterprise_linux_server7.0
- enterprise_linux_server_aus7.6
- enterprise_linux_server_eus7.6
- enterprise_linux_server_tus7.6
Debian2 products
- libvncserver< 0.9.11+dfsg-1.2
- debian_linuxEOL8.0 | 9.0
Ubuntu2 products
- italc< 1:2.0.2+dfsg1-4ubuntu0.1 | < 1:3.0.3+dfsg1-3ubuntu0.1
- libvncserver< 0.9.9+dfsg-1ubuntu1.4 | < 0.9.10+dfsg-3ubuntu0.16.04.3 | < 0.9.11+dfsg-1ubuntu1.1
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 18.10
Libvnc_project1 product
- libvncserver< 0.9.12
5 vendors · 15 products
References
19 links
- lists.debian.org/debian-lts-announce/2018/12/msg00017.htmlMailing ListX Refsource MLISTThird Party Advisory
- access.redhat.com/errata/RHSA-2019:0059Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
