Ubuntu.comUB:CVE-2021-29970CVE-2021-29970
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
5.1 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
0.007 Low
EPSS
Percentile
80.5%
A malicious webpage could have triggered a use-after-free, memory
corruption, and a potentially exploitable crash. This bug could only be
triggered when accessibility was enabled.. This vulnerability affects
Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
Notes
| Author | Note |
|---|---|
| tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | firefox | < 90.0+build1-0ubuntu0.18.04.1 | UNKNOWN |
| ubuntu | 20.04 | noarch | firefox | < 90.0+build1-0ubuntu0.20.04.1 | UNKNOWN |
| ubuntu | 20.10 | noarch | firefox | < 90.0+build1-0ubuntu0.20.10.1 | UNKNOWN |
| ubuntu | 21.04 | noarch | firefox | < 90.0+build1-0ubuntu0.21.04.1 | UNKNOWN |
| ubuntu | 21.10 | noarch | firefox | < 90.0+build1-0ubuntu1 | UNKNOWN |
| ubuntu | 22.04 | noarch | firefox | < 90.0+build1-0ubuntu1 | UNKNOWN |
| ubuntu | 22.10 | noarch | firefox | < 90.0+build1-0ubuntu1 | UNKNOWN |
| ubuntu | 23.04 | noarch | firefox | < 90.0+build1-0ubuntu1 | UNKNOWN |
| ubuntu | 23.10 | noarch | firefox | < 90.0+build1-0ubuntu1 | UNKNOWN |
| ubuntu | 18.04 | noarch | mozjs38 | < any | UNKNOWN |
References
launchpad.net/bugs/cve/CVE-2021-29970
nvd.nist.gov/vuln/detail/CVE-2021-29970
security-tracker.debian.org/tracker/CVE-2021-29970
ubuntu.com/security/notices/USN-5011-1
ubuntu.com/security/notices/USN-5058-1
www.cve.org/CVERecord?id=CVE-2021-29970
www.mozilla.org/en-US/security/advisories/mfsa2021-28/#CVE-2021-29970
www.mozilla.org/en-US/security/advisories/mfsa2021-29/#CVE-2021-29970
www.mozilla.org/en-US/security/advisories/mfsa2021-30/#CVE-2021-29970
Related
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
5.1 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
0.007 Low
EPSS
Percentile
80.5%