What’s Vulnerable › Vulnerabilities

CVE-2018-19210

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-11-12 · updated 2026-06-17
• Weakness: CWE-476

Description

In LibTIFF 4.0.9, there is a NULL pointer dereference in the TIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a denial of service attack, as demonstrated by tiffset.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 18.10
• Debian Linux: 8.0
• libtiff: 4.0.9

References

• http://bugzilla.maptools.org/show_bug.cgi?id=2820
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
• http://packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Updates.html
• http://www.securityfocus.com/bid/105932
• https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6IL2QFKE6MGVUTOPU2UUWITTE36KRDF/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TX5UEYHGMTNEHJB4FHE7HCJ75UQDNKGB/
• https://seclists.org/bugtraq/2019/Nov/5
• https://security.gentoo.org/glsa/202003-25
• https://usn.ubuntu.com/3906-1/
• https://www.debian.org/security/2020/dsa-4670
• http://bugzilla.maptools.org/show_bug.cgi?id=2820

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