4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
0.002 Low
EPSS
Percentile
53.5%
The WebAssembly JIT could miscalculate the size of a return type, which
could lead to a null read and result in a crash. Note: This issue only
affected x86-32 platforms. Other platforms are unaffected.. This
vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox
< 88.
Author | Note |
---|---|
tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | firefox | < 88.0+build2-0ubuntu0.18.04.2 | UNKNOWN |
ubuntu | 20.04 | noarch | firefox | < 88.0+build2-0ubuntu0.20.04.1 | UNKNOWN |
ubuntu | 20.10 | noarch | firefox | < 88.0+build2-0ubuntu0.20.10.1 | UNKNOWN |
ubuntu | 21.04 | noarch | firefox | < 88.0+build2-0ubuntu0.21.04.1 | UNKNOWN |
ubuntu | 21.10 | noarch | firefox | < 88.0.1+build1-0ubuntu2 | UNKNOWN |
ubuntu | 22.04 | noarch | firefox | < 88.0.1+build1-0ubuntu2 | UNKNOWN |
ubuntu | 22.10 | noarch | firefox | < 88.0.1+build1-0ubuntu2 | UNKNOWN |
ubuntu | 23.04 | noarch | firefox | < 88.0.1+build1-0ubuntu2 | UNKNOWN |
ubuntu | 23.10 | noarch | firefox | < 88.0.1+build1-0ubuntu2 | UNKNOWN |
ubuntu | 24.04 | noarch | firefox | < 88.0.1+build1-0ubuntu2 | UNKNOWN |
access.redhat.com/security/cve/CVE-2021-29945
launchpad.net/bugs/cve/CVE-2021-29945
nvd.nist.gov/vuln/detail/CVE-2021-29945
security-tracker.debian.org/tracker/CVE-2021-29945
ubuntu.com/security/notices/USN-4926-1
ubuntu.com/security/notices/USN-4995-1
ubuntu.com/security/notices/USN-4995-2
www.cve.org/CVERecord?id=CVE-2021-29945
www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-29945
www.mozilla.org/en-US/security/advisories/mfsa2021-15/#CVE-2021-29945
www.mozilla.org/en-US/security/advisories/mfsa2021-16/#CVE-2021-29945
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
0.002 Low
EPSS
Percentile
53.5%