libming 0.4.8 has a NULL pointer dereference in the pushdup function of the decompile.c file.

published 2018-12-24 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12982

cvss: 8.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits: 0; none known

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-20425 updated 2025-11-21 cvss 3.3

ming: NULL pointer dereference in pushdup in decompile.c

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/libming/libming/issues/163 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-476 NULL Pointer Dereference

References

github.com /libming/libming/issues/163
exploit, third-party-advisory

Sources

CVE List CVE-2018-20425
NVD CVE-2018-20425

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary