CVE-2018-5129: canonical ubuntu_linux Out-of-bounds Write
CVSS: 8.6v3.0HighModified
AliasesUBUNTU-CVE-2018-5129DEBIAN-CVE-2018-5129
Published 11-06-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-5129 is a high (CVSS 8.6) Out-of-bounds Write vulnerability in canonical ubuntu_linux. EPSS estimates a 3.04% chance of exploitation in the next 30 days, higher than 87.3% of scored vulnerabilities.
CVSS score
8.6/10
010
High · v3.0 (NVD)EPSS score
3.04%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 21 · Related 9DLA-1308-1DLA-1327-1DSA-4139-1DSA-4155-1MGASA-2018-0202MGASA-2018-0203MGASA-2018-0207MGASA-2018-0338OPENSUSE-SU-2018:0818-1OPENSUSE-SU-2018:0819-1OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:10601-1OPENSUSE-SU-2024:14572-1RHSA-2018:0526RHSA-2018:0527RHSA-2018:0647RHSA-2018:0648SUSE-SU-2018:0850-1SUSE-SU-2018:0907-1USN-3545-1USN-3596-1
Timeline
- 11-06-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A lack of parameter validation on IPC messages results in a potential out-of-bounds write through malformed IPC messages. This can potentially allow for sandbox escape through memory corruption in the parent process. This vulnerability affects Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox < 59.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.6Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.6HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated8.6HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
3.04%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
+0.03 pp
From 3.01% on 18-09-2026
18-09-202618-10-2026
EPSS score3.04%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat5 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.4
- enterprise_linux_server_eus7.4 | 7.5
- enterprise_linux_workstation6.0 | 7.0
Debian3 products
- firefox-esr< 52.7.0esr-1
- thunderbird< 1:52.7.0-1
- debian_linuxEOL7.0 | 8.0 | 9.0
Mozilla3 products
- firefox≥ unspecified, < 59 | < 59.0 | < 52.7.0
- firefox_esr≥ unspecified, < 52.7
- thunderbird≥ unspecified, < 52.7 | < 52.7.0
Ubuntu2 products
- firefox< 59.0+build5-0ubuntu0.14.04.1 | < 59.0+build5-0ubuntu0.16.04.1 | < 59.0.1+build1-0ubuntu1
- thunderbird< 1:52.7.0+build1-0ubuntu0.14.04.1 | < 1:52.7.0+build1-0ubuntu0.16.04.1 | < 1:52.7.0+build1-0ubuntu1
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10
5 vendors · 14 products
References
24 links
- lists.debian.org/debian-lts-announce/2018/03/msg00010.htmlMailing ListX Refsource MLISTThird Party Advisory
Show all 24 references
- lists.debian.org/debian-lts-announce/2018/03/msg00029.htmlMailing ListX Refsource MLISTThird Party Advisory