What’s Vulnerable › Vulnerabilities

CVE-2017-16938

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-24 · updated 2026-06-17
• Weakness: CWE-119

Description

A global buffer overflow in OptiPNG 0.7.6 allows remote attackers to cause a denial-of-service attack or other unspecified impact with a maliciously crafted GIF format file, related to an uncontrolled loop in the LZWReadByte function of the gifread.c file.

Affected products

• Optipng Project Optipng: 0.7.6

References

• https://lists.debian.org/debian-lts-announce/2017/11/msg00042.html
• https://security.gentoo.org/glsa/201801-02
• https://sourceforge.net/p/optipng/bugs/69/
• https://www.debian.org/security/2017/dsa-4058
• https://lists.debian.org/debian-lts-announce/2017/11/msg00042.html
• https://security.gentoo.org/glsa/201801-02
• https://sourceforge.net/p/optipng/bugs/69/
• https://www.debian.org/security/2017/dsa-4058

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