Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
CVE-2026-30754 Details
Description
A memory corruption vulnerability exists in FFmpeg before 8.1. The RTP encoding process. In the nal_send function in libavformat/rtpenc_h264_hevc.c, a negative size parameter (size=-3) is passed to memcpy when transmitting H.264/HEVC streams via RTP using a crafted input file. This was detected using AddressSanitizer.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Sep 9, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20746 | [email protected] | Issue TrackingPatch |
| https://gist.github.com/momo-trip/4cddf2c9e15600873de55259dac6b0e6 | [email protected] | Third Party Advisory |
| https://github.com/momo-trip/poc_ffmpeg | [email protected] | Exploit |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| ffmpeg ffmpeg | < 8.1 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 15, 2026 | Initial Analysis | [email protected] |
| Sep 9, 2026 | CVE Modified | CISA-ADP |
| Sep 8, 2026 | New CVE Received | [email protected] |