CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS
Percentile
65.4%
In FFmpeg 4.0.1, due to a missing check for negative values of the mquant
variable, the vc1_put_blocks_clamped function in libavcodec/vc1_block.c may
trigger an out-of-array access while converting a crafted AVI file to
MPEG4, leading to an information disclosure or a denial of service.
Author | Note |
---|---|
mdeslaur | marking chromium-browser as ignored, since we do full-version updates, and rely on upstream’s bundled ffmpeg version |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | gst-libav1.0 | < any | UNKNOWN |
ubuntu | 20.04 | noarch | gst-libav1.0 | < any | UNKNOWN |
ubuntu | 22.04 | noarch | gst-libav1.0 | < any | UNKNOWN |
ubuntu | 24.04 | noarch | gst-libav1.0 | < any | UNKNOWN |
ubuntu | 16.04 | noarch | gst-libav1.0 | < any | UNKNOWN |
ubuntu | 18.04 | noarch | mythtv | < any | UNKNOWN |
ubuntu | 20.04 | noarch | mythtv | < any | UNKNOWN |
ubuntu | 22.04 | noarch | mythtv | < any | UNKNOWN |
ubuntu | 24.04 | noarch | mythtv | < any | UNKNOWN |
ubuntu | 16.04 | noarch | mythtv | < any | UNKNOWN |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS
Percentile
65.4%