Buffer overflow in Libtiff
CVE-2016-9535
tif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions that can lead to assertion failures in debug mode, or buffer overflows in release mode, when dealing with unusual tile size like YCbCr with subsampling. Reported as MSVR 35105, aka "Predictor heap-buffer-overflow."
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.048 (91.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.048 · newest: 0.048 · change: 0.000
Affected products
- Libtiff — versions 4.0.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.debian.org/security/2017/dsa-3844 (vendor-advisory)
- github.com/vadz/libtiff/commit/3ca657a8793dd011bf869695d72ad31c779c3cc1 (Patch, Third Party Advisory, Issue Tracking)
- github.com/vadz/libtiff/commit/6a984bf7905c6621281588431f384e79d11a2e33 (Patch, Third Party Advisory, Issue Tracking)
- rhn.redhat.com/errata/RHSA-2017-0225.html (vendor-advisory)
- www.securityfocus.com/bid/94744 (vdb-entry)
- www.securityfocus.com/bid/94484 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-9535?
- CVE-2016-9535 is a critical-severity vulnerability in Libtiff, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-11-22.
- How severe is CVE-2016-9535?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-9535 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.