Buffer overflow in Libpng

CVE-2018-14550

An issue has been found in third-party PNM decoding associated with libpng 1.6.35. It is a stack-based buffer overflow in the function get_token in pnm2png.c in pnm2png.

Vulnerability class: Buffer Overflow

EPSS: 0.036 (87.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/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-2018-14550?
CVE-2018-14550 is a high-severity vulnerability in Libpng, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2019-07-10.
How severe is CVE-2018-14550?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-14550 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.