What’s Vulnerable › Vulnerabilities

CVE-2018-7443

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-02-23 · updated 2026-06-17
• Weakness: CWE-770

Description

The ReadTIFFImage function in coders/tiff.c in ImageMagick 7.0.7-23 Q16 does not properly validate the amount of image data in a file, which allows remote attackers to cause a denial of service (memory allocation failure in the AcquireMagickMemory function in MagickCore/memory.c).

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 17.10, 18.04
• Debian Linux: 7.0
• ImageMagick: 7.0.7-23-q16

References

• https://github.com/ImageMagick/ImageMagick/issues/999
• https://lists.debian.org/debian-lts-announce/2018/02/msg00028.html
• https://lists.debian.org/debian-lts-announce/2020/08/msg00030.html
• https://usn.ubuntu.com/3681-1/
• https://github.com/ImageMagick/ImageMagick/issues/999
• https://lists.debian.org/debian-lts-announce/2018/02/msg00028.html
• https://lists.debian.org/debian-lts-announce/2020/08/msg00030.html
• https://usn.ubuntu.com/3681-1/

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