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CVE-2018-14550

libpng: Stack-based buffer overflow in contrib/pngminus/pnm2png.c:get_token() potentially leading to arbitrary code execution

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Severity

Moderate

Red Hat Product Security

7

CVSS 3.0

Review impact separately from score.

Published · July 21, 2018

Updated · January 14, 2026

Description

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.

Statement

This issue did not affect the versions of libpng as shipped with Red Hat Enterprise Linux 5, 6 and 7 as they did not include the vulnerable code.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 7
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-121 · Stack-based Buffer Overflow