What’s Vulnerable › Vulnerabilities

CVE-2018-5784

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-01-19 · updated 2026-06-17
• Weakness: CWE-400

Description

In LibTIFF 4.0.9, there is an uncontrolled resource consumption in the TIFFSetDirectory function of tif_dir.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted tif file. This occurs because the declared number of directory entries is not validated against the actual number of directory entries.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 17.10
• Debian Linux: 7.0, 8.0, 9.0
• libtiff: 4.0.9

References

• http://bugzilla.maptools.org/show_bug.cgi?id=2772
• https://gitlab.com/libtiff/libtiff/commit/473851d211cf8805a161820337ca74cc9615d6ef
• https://lists.debian.org/debian-lts-announce/2018/05/msg00022.html
• https://lists.debian.org/debian-lts-announce/2018/07/msg00002.html
• https://usn.ubuntu.com/3602-1/
• https://usn.ubuntu.com/3606-1/
• https://www.debian.org/security/2018/dsa-4349
• http://bugzilla.maptools.org/show_bug.cgi?id=2772
• https://gitlab.com/libtiff/libtiff/commit/473851d211cf8805a161820337ca74cc9615d6ef
• https://lists.debian.org/debian-lts-announce/2018/05/msg00022.html
• https://lists.debian.org/debian-lts-announce/2018/07/msg00002.html
• https://usn.ubuntu.com/3602-1/

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