What’s Vulnerable › Vulnerabilities

CVE-2018-12900

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 25.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-06-26 · updated 2026-06-17
• Weakness: CWE-787

Description

Heap-based buffer overflow in the cpSeparateBufToContigBuf function in tiffcp.c in LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0beta7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 allows remote attackers to cause a denial of service (crash) or possibly have unspecified other impact via a crafted TIFF file.

Affected products

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

References

• http://bugzilla.maptools.org/show_bug.cgi?id=2798
• https://access.redhat.com/errata/RHSA-2019:2053
• https://access.redhat.com/errata/RHSA-2019:3419
• https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-12900
• https://lists.debian.org/debian-lts-announce/2019/11/msg00027.html
• https://usn.ubuntu.com/3906-1/
• https://usn.ubuntu.com/3906-2/
• https://www.debian.org/security/2020/dsa-4670
• http://bugzilla.maptools.org/show_bug.cgi?id=2798
• https://access.redhat.com/errata/RHSA-2019:2053
• https://access.redhat.com/errata/RHSA-2019:3419
• https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-12900

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