CVE-2017-7826: canonical ubuntu_linux
CVSS: 10.0v2.0HighModified
AliasesUBUNTU-CVE-2017-7826DEBIAN-CVE-2017-7826
Published 11-06-2018Last modified 05-08-2024
Vulnerability summary
CVE-2017-7826 is a high (CVSS 10.0) vulnerability in canonical ubuntu_linux. EPSS estimates a 3.33% chance of exploitation in the next 30 days, higher than 88.4% of scored vulnerabilities.
CVSS score
10.0/10
010
High · v2.0 (NVD)EPSS score
3.33%
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 20 · Related 10DLA-1172-1DLA-1199-1DSA-4035-1DSA-4061-1DSA-4075-1MGASA-2017-0418MGASA-2017-0432MGASA-2018-0018OPENSUSE-SU-2017:3108-1OPENSUSE-SU-2017:3110-1OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:10601-1OPENSUSE-SU-2024:14572-1RHSA-2017:3247RHSA-2017:3372SUSE-SU-2017:3213-1SUSE-SU-2017:3233-1USN-3477-1USN-3490-1USN-3688-1
Timeline
- 11-06-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Memory safety bugs were reported in Firefox 56 and Firefox ESR 52.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.
CVSS metrics
4 scores · 3 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:HSourcesAll 3 agree
- 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 10.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
3.33%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
+0.03 pp
From 3.30% on 19-09-2026
19-09-202619-10-2026
EPSS score3.33%
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
Ubuntu4 products
- firefox< 57.0+build4-0ubuntu0.14.04.4 | < 57.0+build4-0ubuntu0.16.04.5 | < 57.0.1+build2-0ubuntu1
- mozjs38All versions (No fix recorded)
- mozjs52< 52.8.1-0ubuntu0.18.04.1 | All versions (No fix recorded)
- thunderbird< 1:52.5.0+build1-0ubuntu0.14.04.1 | < 1:52.5.0+build1-0ubuntu0.16.04.1 | < 1:52.6.0+build1-0ubuntu1
Debian3 products
- firefox-esr< 52.5.0esr-1
- thunderbird< 1:52.5.0-1
- debian_linuxEOL7.0 | 8.0 | 9.0
Mozilla3 products
- firefox≥ unspecified, < 57 | < 57.0 | < 52.5.0
- firefox_esr≥ unspecified, < 52.5
- thunderbird≥ unspecified, < 52.5 | < 52.5.0
Canonical1 product
- ubuntu_linuxEOL17.10 | 18.04
5 vendors · 16 products
References
22 links
lists.debian.org/debian-lts-announce/2017/12/msg00001.htmlMailing ListX Refsource MLISTThird Party Advisory- bugzilla.mozilla.org/buglist.cgiX Refsource CONFIRMIssue TrackingPermissions RequiredThird Party Advisory
- lists.debian.org/debian-lts-announce/2017/11/msg00018.htmlMailing ListX Refsource MLISTThird Party Advisory