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Vulnerability record · CVE-2025-29491 · published 27 March 2025

CVE-2025-29491: Libming vulnerability

LLibming · Libming

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.

6.5 CVSS 3.1 Medium EPSS 0.34% · top 74.9% CWE-789 · CWE-789
6.5CVSS 3.1 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 3 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-50628Libming classic buffer overflow vulnerabilityBuffer Overflow vulnerability in libming version 0.4.8, allows attackers to execute arbitrary code and obtain sensitive information via parser.c comp…EPSS 1.3%9.1CVE-2020-11894Libming out-of-bounds read vulnerabilityMing (aka libming) 0.4.8 has a heap-based buffer over-read (8 bytes) in the function decompileIF() in decompile.c.EPSS 1.7%9.1CVE-2020-11895Libming out-of-bounds read vulnerabilityMing (aka libming) 0.4.8 has a heap-based buffer over-read (2 bytes) in the function decompileIF() in decompile.c.EPSS 1.7%9.1CVE-2019-16705Libming out-of-bounds read vulnerabilityMing (aka libming) 0.4.8 has an out of bounds read vulnerability in the function OpCode() in the decompile.c file in libutil.a.EPSS 1.7%8.8CVE-2023-36239Libming classic buffer overflow vulnerabilitylibming listswf 0.4.7 was discovered to contain a buffer overflow in the parseSWF_DEFINEFONTINFO() function at parser.c.EPSS 0.70%8.8CVE-2023-31976Libming out-of-bounds write vulnerabilitylibming v0.4.8 was discovered to contain a stack buffer overflow via the function makeswf_preprocess at /util/makeswf_utils.c.EPSS 0.70%8.8CVE-2020-6628Libming out-of-bounds read vulnerabilityMing (aka libming) 0.4.8 has a heap-based buffer over-read in the function decompile_SWITCH() in decompile.c.EPSS 1.5%8.8CVE-2019-12981Libming improper input validation vulnerabilityMing (aka libming) 0.4.8 has an "fill overflow" vulnerability in the function SWFShape_setLeftFillStyle in blocks/shape.c.EPSS 1.3%

Source: NIST National Vulnerability Database (record CVE-2025-29491), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.