Ubuntu.comUB:CVE-2020-26969CVE-2020-26969
9.3 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.003 Low
EPSS
Percentile
68.3%
Mozilla developers reported memory safety bugs present in Firefox 82. Some
of these bugs showed evidence of memory corruption and we presume that with
enough effort some of these could have been exploited to run arbitrary
code. This vulnerability affects Firefox < 83.
Notes
| 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 |
References
launchpad.net/bugs/cve/CVE-2020-26969
nvd.nist.gov/vuln/detail/CVE-2020-26969
security-tracker.debian.org/tracker/CVE-2020-26969
ubuntu.com/security/notices/USN-4637-1
ubuntu.com/security/notices/USN-4637-2
www.cve.org/CVERecord?id=CVE-2020-26969
www.mozilla.org/en-US/security/advisories/mfsa2020-50/#CVE-2020-26969
Related
9.3 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.003 Low
EPSS
Percentile
68.3%