Out-of-bounds Read

2024-01-3020:56:55

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

out-of-bounds read

dist alphabet size

memory access

sensitive information disclosure

denial of service

vulnerability

ffmpeg

security

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

AI Score

6.5

Confidence

Low

EPSS

0.001

Percentile

20.7%

JSON

ffmpeg is vulnerable to Out-of-bounds Read. The vulnerability is due to improper validation of the dist->alphabet_size variable in the read_vlc_prefix function. This issue allows unauthorized memory access that potentially leads to sensitive information disclosure or denial of service.