What’s Vulnerable › Vulnerabilities

CVE-2018-8905

• Severity: high (CVSS 8.8 v3.1)
• 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: yes
• Published: 2018-03-22 · updated 2026-06-17
• Weakness: CWE-787

Description

In LibTIFF 4.0.9, a heap-based buffer overflow occurs in the function LZWDecodeCompat in tif_lzw.c via a crafted TIFF file, as demonstrated by tiff2ps.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 18.10
• Debian Linux: 7.0, 8.0, 9.0
• libtiff: 4.0.9
• RedHat Enterprise Linux Desktop: 7.0
• RedHat Enterprise Linux Server: 7.0
• RedHat Enterprise Linux Workstation: 7.0

References

• http://bugzilla.maptools.org/show_bug.cgi?id=2780
• https://access.redhat.com/errata/RHSA-2019:2053
• https://github.com/halfbitteam/POCs/tree/master/libtiff-4.08_tiff2ps_heap_overflow
• https://gitlab.com/libtiff/libtiff/commit/58a898cb4459055bb488ca815c23b880c242a27d
• https://lists.debian.org/debian-lts-announce/2018/05/msg00008.html
• https://lists.debian.org/debian-lts-announce/2018/05/msg00009.html
• https://lists.debian.org/debian-lts-announce/2018/07/msg00002.html
• https://usn.ubuntu.com/3864-1/
• https://www.debian.org/security/2018/dsa-4349
• http://bugzilla.maptools.org/show_bug.cgi?id=2780
• https://access.redhat.com/errata/RHSA-2019:2053
• https://github.com/halfbitteam/POCs/tree/master/libtiff-4.08_tiff2ps_heap_overflow

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