CVE-2018-12366: canonical ubuntu_linux Out-of-bounds Read
CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-12366DEBIAN-CVE-2018-12366
Published 18-10-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-12366 is a medium (CVSS 6.5) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 3.16% chance of exploitation in the next 30 days, higher than 87.7% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
3.16%
0%100%
Low · 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 25 · Related 13DLA-1406-1DLA-1425-1DSA-4235-1DSA-4244-1MGASA-2018-0305MGASA-2018-0316MGASA-2018-0321MGASA-2018-0480OPENSUSE-SU-2018:2807-1OPENSUSE-SU-2018:3687-1OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:10601-1OPENSUSE-SU-2024:14572-1RHSA-2018:2112RHSA-2018:2113RHSA-2018:2251RHSA-2018:2252SUSE-SU-2018:2174-1SUSE-SU-2018:2298-1SUSE-SU-2018:2322-1SUSE-SU-2018:2322-2SUSE-SU-2018:2325-1SUSE-SU-2018:3247-1USN-3705-1USN-3714-1
Timeline
- 18-10-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds read interpreted as a float value. This could leak private data into the output. 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 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 3 agree
- 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
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
3.16%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.16% on 18-09-2026
18-09-202618-10-2026
EPSS score3.16%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
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 linksShow all 28 references
- bugzilla.mozilla.org/show_bug.cgi?id=1464039X Refsource CONFIRMIssue TrackingPermissions RequiredVendor Advisory
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