CVE-2017-9936

MEDIUM

LibTIFF 4.0.8 - Memory Leak in tif_jbig.c

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-9936. PoCs published by team OWL337.

AI-analyzed exploit summary This exploit demonstrates a memory leak vulnerability in libtiff's tiff2ps and tiff2pdf utilities, triggered by a malformed input file. The AddressSanitizer output confirms significant memory leaks, indicating a denial-of-service (DoS) condition.

Description

In LibTIFF 4.0.8, there is a memory leak in tif_jbig.c. A crafted TIFF document can lead to a memory leak resulting in a remote denial of service attack.

Exploits (1)

exploitdb WORKING POC VERIFIED
by team OWL337 · textdoslinux
https://www.exploit-db.com/exploits/42300

This exploit demonstrates a memory leak vulnerability in libtiff's tiff2ps and tiff2pdf utilities, triggered by a malformed input file. The AddressSanitizer output confirms significant memory leaks, indicating a denial-of-service (DoS) condition.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: libtiff <= 4.0.8
No auth needed
Prerequisites: malformed input file (POC)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/99300
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3602-1/
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/42300/
Issue Tracking x_refsource_misc
http://bugzilla.maptools.org/show_bug.cgi?id=2706
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2017/dsa-3903

Scores

CVSS v3 6.5
EPSS 0.0748
EPSS Percentile 93.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-772
Status published
Products (6)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
debian/debian_linux 8.0
debian/debian_linux 9.0
debian/debian_linux 10.0
libtiff/libtiff 4.0.8
Published Jun 26, 2017
Tracked Since Feb 18, 2026