What’s Vulnerable › Vulnerabilities

CVE-2019-17546

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-14 · updated 2026-06-17
• Weakness: CWE-190

Description

tif_getimage.c in LibTIFF through 4.0.10, as used in GDAL through 3.0.1 and other products, has an integer overflow that potentially causes a heap-based buffer overflow via a crafted RGBA image, related to a "Negative-size-param" condition.

Affected products

• libtiff: before 4.1.0 — fixed in 4.1.0
• OSGeo gdal: through 3.0.1

How to fix

Upgrade to a fixed version: libtiff 4.1.0. Check the vendor advisory for mitigations.

References

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16443
• https://github.com/OSGeo/gdal/commit/21674033ee246f698887604c7af7ba1962a40ddf
• https://gitlab.com/libtiff/libtiff/commit/4bb584a35f87af42d6cf09d15e9ce8909a839145
• https://lists.debian.org/debian-lts-announce/2019/11/msg00027.html
• https://lists.debian.org/debian-lts-announce/2020/03/msg00020.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LM5ZW7E3IEW7LT2BPJP7D3RN6OUOE3MX/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3S4WNIMZ7XSLY2LD5FPRPZMGNUBVKOG/
• https://seclists.org/bugtraq/2020/Jan/32
• https://security.gentoo.org/glsa/202003-25
• https://www.debian.org/security/2020/dsa-4608
• https://www.debian.org/security/2020/dsa-4670
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16443

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