CVE-20XX-?
agent?

CVE-2026-125171

6.9 MEDIUM 0.1% exploit odds Fix listed Memory safety

What it is

FFmpeg through 9.0.2 contains an out-of-bounds read vulnerability in the Musepack SV7 decoder because mpc7_decode_init() does not validate lastframelen against MPC_FRAME_SIZE. Attackers can supply a crafted Musepack SV7 file declaring an oversized final frame, causing consumers of decoded frames to read past the audio buffer, leading to crashes or heap memory disclosure.

At a glance

Exploitability
Can be exploited locally on the machine without logging in, but needs a user to act. High risk of service disruption.
Exploit odds
0.1% chance of exploitation in the next 30 days (EPSS).
Fix
A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

  1. ReservedThe CVE id was reserved by its CNA
  2. PublishedDisclosed publicly on CVE.org and NVD
  3. Last updatedMost recent change to the record

Why it ranks here

Details

Published
Last modified
Exploit probability
0.1% · EPSS, next 30 days
Weakness
CWE-125 · Out-of-bounds read
Record status
Awaiting Analysis

Attack profile CVSS 4.0 · 6.9

Attack vector
Local
Complexity
Low
Attack requirements
None
Privileges needed
None
User interaction
Passive
Confidentiality
Low
Integrity
None
Availability
High
Raw vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2026-125171.md and follow it. Check whether this project is affected by CVE-2026-125171. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Meme: I wake up, CVE-2026-125171
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Fix and advisories

References

NVD record · CVE.org record