4.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.001 Low
EPSS
Percentile
39.9%
Repeated calls to the history and location interfaces could have been used
to hang the browser. This was addressed by introducing rate-limiting to
these API calls. This vulnerability affects Firefox < 83.
Author | Note |
---|---|
tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | firefox | < 83.0+build2-0ubuntu0.18.04.2 | UNKNOWN |
ubuntu | 20.04 | noarch | firefox | < 83.0+build2-0ubuntu0.20.04.1 | UNKNOWN |
ubuntu | 20.10 | noarch | firefox | < 83.0+build2-0ubuntu0.20.10.1 | UNKNOWN |
ubuntu | 21.04 | noarch | firefox | < 83.0+build2-0ubuntu1 | UNKNOWN |
ubuntu | 21.10 | noarch | firefox | < 83.0+build2-0ubuntu1 | UNKNOWN |
ubuntu | 22.04 | noarch | firefox | < 83.0+build2-0ubuntu1 | UNKNOWN |
ubuntu | 22.10 | noarch | firefox | < 83.0+build2-0ubuntu1 | UNKNOWN |
ubuntu | 23.04 | noarch | firefox | < 83.0+build2-0ubuntu1 | UNKNOWN |
ubuntu | 23.10 | noarch | firefox | < 83.0+build2-0ubuntu1 | UNKNOWN |
ubuntu | 24.04 | noarch | firefox | < 83.0+build2-0ubuntu1 | UNKNOWN |
launchpad.net/bugs/cve/CVE-2020-26963
nvd.nist.gov/vuln/detail/CVE-2020-26963
security-tracker.debian.org/tracker/CVE-2020-26963
ubuntu.com/security/notices/USN-4637-1
ubuntu.com/security/notices/USN-4637-2
www.cve.org/CVERecord?id=CVE-2020-26963
www.mozilla.org/en-US/security/advisories/mfsa2020-50/#CVE-2020-26963
4.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.001 Low
EPSS
Percentile
39.9%