CVE-2025-29491 Denial of service in n/a

Medium 6.5 Published Updated

Attackers can cause a Denial of Service in libming by supplying a crafted SWF file that triggers an allocation-size-too-big error.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-29491?

CVE-2025-29491 is a medium-severity denial of service vulnerability in Libming Libming, published on 27 Mar 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-789

Which versions are affected by CVE-2025-29491?

It affects 1 product.

Products include Libming Libming.

How do I fix CVE-2025-29491?

No fix has been published for CVE-2025-29491 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-29491 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-29491 exists.

All Libming Libming vulnerabilities

Sources

Also known as GHSA-6mjh-29cc-g228, UBUNTU-CVE-2025-29491.

Is CVE-2025-29491 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free