Ubuntu.comUB:CVE-2020-26978CVE-2020-26978
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
41.7%
Using techniques that built on the slipstream research, a malicious webpage
could have exposed both an internal network’s hosts as well as services
running on the user’s local machine. This vulnerability affects Firefox <
84, Thunderbird < 78.6, and Firefox ESR < 78.6.
Notes
| Author | Note |
|---|---|
| tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | firefox | < 84.0+build3-0ubuntu0.18.04.1 | UNKNOWN |
| ubuntu | 20.04 | noarch | firefox | < 84.0+build3-0ubuntu0.20.04.1 | UNKNOWN |
| ubuntu | 20.10 | noarch | firefox | < 84.0+build3-0ubuntu0.20.10.1 | UNKNOWN |
| ubuntu | 21.04 | noarch | firefox | < 84.0+build3-0ubuntu2 | UNKNOWN |
| ubuntu | 21.10 | noarch | firefox | < 84.0+build3-0ubuntu2 | UNKNOWN |
| ubuntu | 22.04 | noarch | firefox | < 84.0+build3-0ubuntu2 | UNKNOWN |
| ubuntu | 22.10 | noarch | firefox | < 84.0+build3-0ubuntu2 | UNKNOWN |
| ubuntu | 23.04 | noarch | firefox | < 84.0+build3-0ubuntu2 | UNKNOWN |
| ubuntu | 23.10 | noarch | firefox | < 84.0+build3-0ubuntu2 | UNKNOWN |
| ubuntu | 24.04 | noarch | firefox | < 84.0+build3-0ubuntu2 | UNKNOWN |
References
launchpad.net/bugs/cve/CVE-2020-26978
nvd.nist.gov/vuln/detail/CVE-2020-26978
security-tracker.debian.org/tracker/CVE-2020-26978
ubuntu.com/security/notices/USN-4671-1
ubuntu.com/security/notices/USN-4701-1
www.cve.org/CVERecord?id=CVE-2020-26978
www.mozilla.org/en-US/security/advisories/mfsa2020-54/#CVE-2020-26978
www.mozilla.org/en-US/security/advisories/mfsa2020-56/#CVE-2020-26978
Related
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
41.7%