Buffer overflow in Lupng Project

CVE-2018-18582

An issue has been found in LuPng through 2017-03-10. It is a heap-based buffer overflow in insertByte in miniz/lupng.c during a write operation for data obtained from a palette.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (68.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-18582?
CVE-2018-18582 is a high-severity vulnerability in Lupng Project, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-10-22.
How severe is CVE-2018-18582?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-18582 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.