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Libming CVE-2025-26305

HIGH
Improper Clearing of Heap Memory Before Release ('Heap Inspection') (CWE-244)
2025-02-20 cve@mitre.org
8.2
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Improper clearing of heap data
Impact

CVSS score of 8.2 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.16%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

A memory leak has been identified in the parseSWF_SOUNDINFO function in util/parser.c of libming v0.4.8, which allows attackers to cause a denial of service via a crafted SWF file. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-244. A memory leak has been identified in the parseSWF_SOUNDINFO function in util/parser.c of libming v0.4.8, which allows attackers to cause a denial of service via a crafted SWF file. Affected products include: Libming.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.2 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

Lifecycle Timeline

2
PoC Detected
Apr 22, 2025 - 13:10 vuln.today
Public exploit code
CVE Published
Feb 20, 2025 - 17:15 nvd
HIGH 8.2

DescriptionCVE.org

A memory leak has been identified in the parseSWF_SOUNDINFO function in util/parser.c of libming v0.4.8, which allows attackers to cause a denial of service via a crafted SWF file.

Executive ViewAI

Why It Matters

Organizations using the parseSWF_SOUNDINFO function in util/parser.c of libming face notable risk from CVE-2025-26305 rated CVSS 8.2. Successful exploitation could significantly impact the confidentiality, integrity, or availability of affected systems. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: High
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

EPSS Score
0.2%
Top 63% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Out-of-Cycle
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
High

Priority Score

61
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +41
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:libming:libming:0.4.8:*:*:*:*:*:*:*
CVE-2023-50628 CRITICAL POC
9.8 Dec 20

Buffer Overflow vulnerability in libming version 0.4.8, allows attackers to execute arbitrary code and obtain sensitive

CVE-2020-11895 CRITICAL POC
9.1 Apr 19

Ming (aka libming) 0.4.8 has a heap-based buffer over-read (2 bytes) in the function decompileIF() in decompile.c. Rated

CVE-2020-11894 CRITICAL POC
9.1 Apr 19

Ming (aka libming) 0.4.8 has a heap-based buffer over-read (8 bytes) in the function decompileIF() in decompile.c. Rated

CVE-2019-16705 CRITICAL POC
9.1 Sep 23

Ming (aka libming) 0.4.8 has an out of bounds read vulnerability in the function OpCode() in the decompile.c file in lib

CVE-2023-36239 HIGH POC
8.8 Jun 22

libming listswf 0.4.7 was discovered to contain a buffer overflow in the parseSWF_DEFINEFONTINFO() function at parser.c.

CVE-2023-31976 HIGH POC
8.8 May 09

libming v0.4.8 was discovered to contain a stack buffer overflow via the function makeswf_preprocess at /util/makeswf_ut

CVE-2020-6628 HIGH POC
8.8 Jan 09

Ming (aka libming) 0.4.8 has a heap-based buffer over-read in the function decompile_SWITCH() in decompile.c. Rated high

CVE-2019-9114 HIGH POC
8.8 Feb 25

Ming (aka libming) 0.4.8 has an out of bounds write vulnerability in the function strcpyext() in the decompile.c file in

CVE-2019-9113 HIGH POC
8.8 Feb 25

Ming (aka libming) 0.4.8 has a NULL pointer dereference in the function getString() in the decompile.c file in libutil.a

CVE-2019-7582 HIGH POC
8.8 Feb 07

The readBytes function in util/read.c in libming through 0.4.8 allows remote attackers to have unspecified impact via a

CVE-2019-7581 HIGH POC
8.8 Feb 07

The parseSWF_ACTIONRECORD function in util/parser.c in libming through 0.4.8 allows remote attackers to have unspecified

CVE-2018-20429 HIGH POC
8.8 Dec 24

libming 0.4.8 has a NULL pointer dereference in the getName function of the decompile.c file, a different vulnerability

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