CVE-2017-7827
Publication date 15 November 2017
Last updated 9 June 2025
Ubuntu priority
Memory safety bugs were reported in Firefox 56. 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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| firefox | 25.04 plucky |
Fixed 57.0.1+build2-0ubuntu1
|
| 24.10 oracular |
Fixed 57.0.1+build2-0ubuntu1
|
|
| 24.04 LTS noble |
Fixed 57.0.1+build2-0ubuntu1
|
|
| 22.04 LTS jammy |
Fixed 57.0.1+build2-0ubuntu1
|
|
| 20.04 LTS focal |
Fixed 57.0.1+build2-0ubuntu1
|
|
| 18.04 LTS bionic |
Fixed 57.0.1+build2-0ubuntu1
|
|
| 16.04 LTS xenial |
Fixed 57.0+build4-0ubuntu0.16.04.5
|
|
| 14.04 LTS trusty |
Fixed 57.0+build4-0ubuntu0.14.04.4
|
|
| mozjs38 | 25.04 plucky | Not in release |
| 24.10 oracular | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | Ignored | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
| mozjs52 | 25.04 plucky | Not in release |
| 24.10 oracular | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Ignored upstream wontfix/claims unaffected | |
| 18.04 LTS bionic | Ignored upstream wonfix/claims unaffected | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release |
Notes
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine
chrisccoulson
This is not fixed in mozjs52, but it's unclear whether it is unaffected or just ignored as the bugs are still private. Specifically, the following need investigating: - https://bugzilla.mozilla.org/show_bug.cgi?id=1403646 (https://hg.mozilla.org/releases/mozilla-release/rev/2f1496c1455f) - https://bugzilla.mozilla.org/show_bug.cgi?id=1403716 (can't find a changeset referencing it) - https://bugzilla.mozilla.org/show_bug.cgi?id=1402876 (https://hg.mozilla.org/releases/mozilla-release/rev/f06912ba5bb7) - https://bugzilla.mozilla.org/show_bug.cgi?id=1384121 (https://hg.mozilla.org/releases/mozilla-release/rev/05f6da3339b3, https://hg.mozilla.org/releases/mozilla-release/rev/eab55565955d) - https://bugzilla.mozilla.org/show_bug.cgi?id=1384615 (can't find a changeset referencing it) - https://bugzilla.mozilla.org/show_bug.cgi?id=1339485 (can't find a changeset referencing it) - https://bugzilla.mozilla.org/show_bug.cgi?id=1361432 (can't find a changeset referencing it) - https://bugzilla.mozilla.org/show_bug.cgi?id=1386490 (can't find a changeset referencing it)
john-breton
Looking through the bugs, everything is marked as either wontfix or unaffected. Marking as ignored for mozjs52.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
9.8 · Critical
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3477-1
- Firefox vulnerabilities
- 16 November 2017