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.
Conclusion & alert: CVE-2025-29491 is rated High Exploit Risk (63.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.46%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-07 | 0.25% | 0.46% | +0.21% |
| 2 | 2026-01-21 | 0.09% | 0.25% | +0.16% |
| 3 | 2025-11-21 | — | 0.09% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2025-29491 medium priority: Ubuntu including 1 source packages (ming), 8 status rows across 8 suites (focal, jammy, noble, oracular, plucky, questing, upstream, xenial): DNE 6, needs-triage 2. | https://ubuntu.com/security/CVE-2025-29491 |
| URL | Tags |
|---|---|
| https://github.com/goodmow/PoC/blob/main/libming/libming-fuzz10.readme | Exploit |
| https://github.com/libming/libming/issues/330 | Exploit Issue Tracking |