Alpine Linux Development TeamALPINE:CVE-2021-43535CVE-2021-43535
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
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
9.1 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
66.2%
A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Alpine | edge-community | noarch | thunderbird | < 91.3.2-r0 | UNKNOWN |
| Alpine | 3.16-community | noarch | thunderbird | < 91.3.2-r0 | UNKNOWN |
| Alpine | 3.17-community | noarch | thunderbird | < 91.3.2-r0 | UNKNOWN |
| Alpine | 3.18-community | noarch | thunderbird | < 91.3.2-r0 | UNKNOWN |
| Alpine | 3.19-community | noarch | thunderbird | < 91.3.2-r0 | UNKNOWN |
| Alpine | 3.20-community | noarch | thunderbird | < 91.3.2-r0 | UNKNOWN |
Related
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
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
9.1 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
66.2%