What is CVE-2018-5294?

CVE-2018-5294 is a medium-severity vulnerability in Libming, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2018-01-08.

How severe is CVE-2018-5294?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Integer overflow in Libming

CVE-2018-5294

In libming 0.4.8, there is an integer overflow (caused by an out-of-range left shift) in the readUInt32 function (util/read.c). Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted swf file.

Vulnerability class: Integer Overflow

Published 2018-01-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.019 (78.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Libming — versions 0.4.8
Debian Linux — versions 7.0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

lists.debian.org/debian-lts-announce/2018/03/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
github.com/libming/libming/issues/98 (Third Party Advisory)
security.gentoo.org/glsa/201904-24 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2018-5294?: CVE-2018-5294 is a medium-severity vulnerability in Libming, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2018-01-08.
How severe is CVE-2018-5294?: Medium severity. CVSS v3 base score is 6.5 out of 10.