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Fencer Intel
critical 9.3

CVE-2009-4755 json

Multiple stack-based buffer overflows in Mercury Audio Player 1.21 allow remote attackers to execute arbitrary code via a long string in a…

published 16y ago modified 4mo ago also EUVD-2009-4719

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.8%
EPSS 6.8% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

Multiple stack-based buffer overflows in Mercury Audio Player 1.21 allow remote attackers to execute arbitrary code via a long string in a malformed (1) .b4s or (2) .pls playlist file.

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Timeline

  1. First public exploit (EDB-8580)
  2. Published

Exploit prediction

6.76% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-8580 Mercury Audio Player 1.21 - '.b4s' Local Stack Overflow local, 2009-04-30
  • exploit-db.com http://www.exploit-db.com/exploits/8582 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/34788 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.