Critical

Heap-based buffer overflow in SCMPX 1.5.1 playlist parsing

IdentifiersCVE-2009-2403CWE-122

CVE-2009-2403 is a heap-based buffer overflow in SCMPX 1.5.1 triggered when the application processes a crafted .m3u playlist file containing an overly long string entry. Improper handling of playlist data causes a write beyond the bounds of a heap-allocated buffer during parsing, resulting in memory corruption. Successful exploitation can crash the application and may permit arbitrary code execution in the context of the user running the media player.

For your environment

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Exploitation can cause a denial of service through application crash and, under favorable memory layout and exploit conditions, arbitrary code execution. Because the flaw is heap-based, successful exploitation may corrupt adjacent heap structures or application data and execute attacker-controlled code with the privileges of the current user.

Mitigation

If you can’t patch tonight, do this now.

Do not open untrusted or externally supplied .m3u playlist files with the vulnerable application. Limit exposure by handling media files only from trusted sources, applying host-based exploit mitigations such as DEP/NX and ASLR where supported, and running the player with minimal user privileges to reduce post-exploitation impact. Application isolation or sandboxing can further reduce risk where feasible.

Remediation

Patch, then assume compromise.

Upgrade from SCMPX 1.5.1 to a fixed version if one is available from the vendor. If no patched release is available, discontinue use of the vulnerable version and replace it with a supported alternative. The underlying fix should ensure strict bounds checking when parsing .m3u playlist entries, reject excessively long strings, and use safer memory-handling routines that enforce destination buffer limits.

PUBLIC EXPLOITS

Exploits

No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.

VALID 0 / 1 TOTALView more in app

All candidate exploits were filtered out by Mallory's validation.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

ShinjichibaScmpxapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

4 SOURCESView more in app

cwe mitreNews

Apr 7, 2023

CWE - CWE-787: Out-of-bounds Write (4.20)

A heap-based buffer overflow in a media player triggered by a long playlist entry.

cwe mitreNews

Apr 7, 2023

CWE - CWE-787: Out-of-bounds Write (4.20)

A heap-based buffer overflow in a media player triggered by a long playlist entry.

cwe mitreNews

Sep 9, 2008

CWE - CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer (4.20)

A heap-based buffer overflow in a media player triggered by a long playlist entry.

cwe mitreNews

Mar 18, 2026

CWE - CWE-787: Out-of-bounds Write (4.19.1)

A heap-based buffer overflow in a media player triggered by an overly long playlist entry.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity