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CVE-2015-7802

optipng: Buffer overflow in global memory

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Severity

Low

Red Hat Product Security

2.1

CVSS 2.0

Review impact separately from score.

Published · September 23, 2015

Updated · November 21, 2025

Description

gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of service (uninitialized memory read) via a crafted GIF file.

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 2.0 · 2.1
AV:L/AC:L/Au:N/C:N/I:N/A:P

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer