Alpine Linux Development TeamALPINE:CVE-2020-26956CVE-2020-26956
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.9 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
41.5%
In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Alpine | edge-community | noarch | firefox-esr | < 78.5.0-r0 | UNKNOWN |
| Alpine | edge-community | noarch | firefox | < 83.0-r0 | UNKNOWN |
| Alpine | edge-community | noarch | librewolf | < 83.0-r0 | UNKNOWN |
| Alpine | edge-community | noarch | thunderbird | < 78.5.1-r0 | UNKNOWN |
| Alpine | 3.12-community | noarch | firefox-esr | < 78.5.0-r0 | UNKNOWN |
| Alpine | 3.12-community | noarch | firefox | < 83.0-r0 | UNKNOWN |
| Alpine | 3.13-community | noarch | firefox-esr | < 78.5.0-r0 | UNKNOWN |
| Alpine | 3.13-community | noarch | firefox | < 83.0-r0 | UNKNOWN |
| Alpine | 3.14-community | noarch | firefox-esr | < 78.5.0-r0 | UNKNOWN |
| Alpine | 3.14-community | noarch | firefox | < 83.0-r0 | UNKNOWN |
Related
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.9 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
41.5%