# CVE-2025-66877: Buffer overflow vulnerability in function dcputchar in decompile.c in libming 0.4.8.

Source: https://junglewise.ai/threats/cve-2025-66877-buffer-overflow-vulnerability-in-function-dcputchar-in-decompile  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-29  
License: CC BY 4.0 with a link back

CVE-2025-66877 · Severity: high · CVSS 7.5 · Published 2025-12-29

Buffer overflow vulnerability in function dcputchar in decompile.c in libming 0.4.8.

Technologies: [Libming](https://junglewise.ai/threats/technologies/libming). Vendors: [Libming](https://junglewise.ai/threats/vendors/libming).

## Quick answers

**Is CVE-2025-66877 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-66877 being exploited in the wild.

**How severe is CVE-2025-66877?** High severity, with a CVSS score of 7.5, published 29 December 2025.

**Which products and versions are affected?** Libming. The advisory does not name versions.

**Is there a fix for CVE-2025-66877?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-66877?** Check whether you run Libming. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Libming

## Related threats

- [libming denial of service in readtag_file](https://junglewise.ai/threats/cve-2026-95116-an-issue-in-libming-through-0-4-8-allows-a-remote-attacker-to)
- [Buffer overflow vulnerability in function strcat in asan_interceptors.cpp in libming 0.4.8.](https://junglewise.ai/threats/cve-2025-66869-buffer-overflow-vulnerability-in-function-strcat-in-asan)