What’s Vulnerable › Vulnerabilities

CVE-2018-17101

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-09-16 · updated 2026-06-17
• Weakness: CWE-787

Description

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image file.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 18.10
• Debian Linux: 8.0, 9.0
• libtiff: 4.0.9

References

• http://bugzilla.maptools.org/show_bug.cgi?id=2807
• http://www.securityfocus.com/bid/105370
• https://access.redhat.com/errata/RHSA-2019:2053
• https://gitlab.com/libtiff/libtiff/merge_requests/33/diffs?commit_id=f1b94e8a3ba49febdd3361c0214a1d1149251577
• https://lists.debian.org/debian-lts-announce/2018/10/msg00019.html
• https://usn.ubuntu.com/3864-1/
• https://usn.ubuntu.com/3906-2/
• https://www.debian.org/security/2018/dsa-4349
• http://bugzilla.maptools.org/show_bug.cgi?id=2807
• http://www.securityfocus.com/bid/105370
• https://access.redhat.com/errata/RHSA-2019:2053
• https://gitlab.com/libtiff/libtiff/merge_requests/33/diffs?commit_id=f1b94e8a3ba49febdd3361c0214a1d1149251577

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