CVE-2025-29491

MEDIUM

Published Mar 27, 2025 Modified Apr 1, 2025 CWE-789

Description

An allocation-size-too-big error in the parseSWF_DEFINEBINARYDATA function of libming v0.48 allows attackers to cause a Denial of Service (DoS) via supplying a crafted SWF file.

Is your site exposed to CVE-2025-29491?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-789 CWE-789

Affected Products

Vendor	Product	Versions
libming	libming	All

References

Exploits

https://github.com/goodmow/PoC/blob/main/libming/libming-fuzz10.readme https://github.com/libming/libming/issues/330 https://github.com/libming/libming/issues/330

Frequently Asked Questions

What is CVE-2025-29491? +

An allocation-size-too-big error in the parseSWF_DEFINEBINARYDATA function of libming v0.48 allows attackers to cause a Denial of Service (DoS) via supplying a crafted SWF file. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-29491? +

CVE-2025-29491 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-29491? +

CVE-2025-29491 affects products from libming, specifically: libming. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-29491? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-26618

Erlang is a programming language and runtime system for building massively scalable soft real-time systems with requirements on high availability. …

CVE-2025-71395

SurrealDB versions before 2.2.2 contain a memory exhaustion vulnerability in the string::replace function that fails to restrict resulting string length …

CVE-2026-53428

Memory Allocation with Excessive Size Value vulnerability in leandrocp mdex allows an unauthenticated attacker to cause a denial of service …

CVE-2026-55782

NanaZip is the 7-Zip derivative intended for the modern Windows experience. Prior to 6.5.1749.0, NanaZip's WebAssembly archive handler in NanaZip.Codecs.Archive.WebAssembly.cpp …

CVE-2026-55781

NanaZip is the 7-Zip derivative intended for the modern Windows experience. Prior to 6.5.1749.0, NanaZip's UFS and FFS image handler …

CVE-2026-55768

GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through …