Ubuntu.comUB:CVE-2020-21688CVE-2020-21688
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
6.8 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.003 Low
EPSS
Percentile
65.1%
A heap-use-after-free in the av_freep function in libavutil/mem.c of FFmpeg
4.2 allows attackers to execute arbitrary code.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | ffmpeg | < 7:3.4.11-0ubuntu0.1 | UNKNOWN |
| ubuntu | 20.04 | noarch | ffmpeg | < 7:4.2.7-0ubuntu0.1 | UNKNOWN |
| ubuntu | 16.04 | noarch | ffmpeg | < 7:2.8.17-0ubuntu0.1+esm2 | UNKNOWN |
| ubuntu | 18.04 | noarch | qtwebengine-opensource-src | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | qtwebengine-opensource-src | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | qtwebengine-opensource-src | < any | UNKNOWN |
| ubuntu | 23.10 | noarch | qtwebengine-opensource-src | < any | UNKNOWN |
| ubuntu | 18.04 | noarch | vice | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | vice | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | vice | < any | UNKNOWN |
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
6.8 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.003 Low
EPSS
Percentile
65.1%