CVE-2018-10963

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-05-10 · updated 2026-06-17
Weakness: CWE-617

Description

The TIFFWriteDirectorySec() function in tif_dirwrite.c in LibTIFF through 4.0.9 allows remote attackers to cause a denial of service (assertion failure and application crash) via a crafted file, a different vulnerability than CVE-2017-13726.

Affected products

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

References

http://bugzilla.maptools.org/show_bug.cgi?id=2795
https://access.redhat.com/errata/RHSA-2019:2053
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=2795
https://access.redhat.com/errata/RHSA-2019:2053
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

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