Risk | Low |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2019-9718 CVE-2019-9721 |
CWE-ID | CWE-20 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
FFmpeg Universal components / Libraries / Libraries used by multiple products |
Vendor | ffmpeg.sourceforge.net |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU18320
Risk: Low
CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-9718
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the subtitle decoder in ff_htmlmarkup_to_ass() function in libavcodec/htmlsubtitles.c when processing video files in Matroska format. A remote attacker can create a specially crafted video file, pass it to the affected application and consume all available CPU resources.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFFmpeg: 4.1
External linkshttp://www.securityfocus.com/bid/107382
http://git.ffmpeg.org/gitweb/ffmpeg.git/commit/1f00c97bc3475c477f3c468cf2d924d5761d0982
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU18321
Risk: Low
CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-9721
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the subtitle decoder in handle_open_brace() function in libavcodec/htmlsubtitles.c when processing video files in Matroska format. A remote attacker can create a specially crafted video file, pass it to the affected application and consume all available CPU resources.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFFmpeg: 4.1
External linkshttp://www.securityfocus.com/bid/107384
http://git.ffmpeg.org/gitweb/ffmpeg.git/commit/894995c41e0795c7a44f81adc4838dedc3932e65
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.