CVE-2018-12365: canonical ubuntu_linux
Vulnerability summary
CVE-2018-12365 is a medium (CVSS 6.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 3.16% chance of exploitation in the next 30 days, higher than 87.9% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 25 · Related 13Timeline
- 18-10-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A compromised IPC child process can escape the content sandbox and list the names of arbitrary files on the file system without user consent or interaction. This could result in exposure of private local files. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
3.16%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.16% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat6 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.6
- enterprise_linux_server_eus7.5 | 7.6
- enterprise_linux_server_tus7.6
Debian3 products
- firefox-esr< 52.9.0esr-1
- thunderbird< 1:52.9.0-1
- debian_linuxEOL8.0 | 9.0
Mozilla3 products
- firefox≥ unspecified, < 61 | < 61.0 | ≥ 53.0, < 60.1.0
- firefox esr≥ unspecified, < 60.1 | ≥ unspecified, < 52.9 | < 52.9
- thunderbird≥ unspecified, < 60 | ≥ unspecified, < 52.9 | < 52.9 | ≥ 52.9.1, < 60.0
Ubuntu2 products
- firefox< 61.0+build3-0ubuntu0.14.04.2 | < 61.0+build3-0ubuntu0.16.04.2 | < 61.0+build3-0ubuntu0.18.04.1
- thunderbird< 1:52.9.1+build3-0ubuntu0.14.04.1 | < 1:52.9.1+build3-0ubuntu0.16.04.1 | < 1:52.9.1+build3-0ubuntu0.18.04.1
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10 | 18.04
5 vendors · 15 products
References
28 links- bugzilla.mozilla.org/show_bug.cgi?id=1459206X Refsource CONFIRMIssue TrackingPermissions RequiredVendor Advisory
Show all 28 references
- lists.debian.org/debian-lts-announce/2018/07/msg00013.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/06/msg00014.htmlMailing ListX Refsource MLISTThird Party Advisory