CVE-2019-7663

MEDIUM 6.5CVE-2019-7663 · Published 09/02/2019 · updated 17/06/2026

In short

CVE-2019-7663 is a MEDIUM (CVSS 6.5) vulnerability affecting libtiff (libtiff).
Chance of exploitation in the next 30 days (EPSS): 3.4%, higher than 88.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
libtiff libtiff	`= 4.0.10`	No fix yet

Description

An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file. This is different from CVE-2018-12900.

References

bugzilla.maptools.org/show_bug.cgi · Exploit
lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html · Mailing List
gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39 · Patch
lists.debian.org/debian-lts-announce/2019/02/msg00026.html · Mailing List
security.gentoo.org/glsa/202003-25
usn.ubuntu.com/3906-1 · Third Party Advisory
usn.ubuntu.com/3906-2 · Third Party Advisory
debian.org/security/2020/dsa-4670

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Package

Affected versions

Patched versions

libtiff

= 4.0.10

No fix yet

Description

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