CVE-2016-9533
tif_pixarlog.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in heap allocated buffers.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
tif_pixarlog.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in heap allocated buffers. Reported as MSVR 35094, aka "PixarLog horizontalDifference heap-buffer-overflow."
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.60% probability · 89th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-787
- Affected
- libtiff/libtiff
- Source
- cve@mitre.org
EPSS 3.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://rhn.redhat.com/errata/RHSA-2017-0225.html
- http://www.debian.org/security/2017/dsa-3762
- http://www.securityfocus.com/bid/94484Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/94742
- https://github.com/vadz/libtiff/commit/83a4b92815ea04969d494416eaae3d4c6b338e4a#diff-bdc795f6afeb9558c1012b3cfae729efIssue Tracking, Patch, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0225.html
- http://www.debian.org/security/2017/dsa-3762
- http://www.securityfocus.com/bid/94484Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/94742
- https://github.com/vadz/libtiff/commit/83a4b92815ea04969d494416eaae3d4c6b338e4a#diff-bdc795f6afeb9558c1012b3cfae729efIssue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.