Out-of-bounds Read in Libtiff
CVE-2016-3658
The TIFFWriteDirectoryTagLongLong8Array function in tif_dirwrite.c in the tiffset tool in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (out-of-bounds read) via vectors involving the ma variable.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.040 (90.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.debian.org/security/2017/dsa-3844 (vendor-advisory)
- bugzilla.maptools.org/show_bug.cgi (Issue Tracking)
- security.gentoo.org/glsa/201701-16 (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/04/08/12 (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/93331 (vdb-entry)
Frequently asked questions
- What is CVE-2016-3658?
- CVE-2016-3658 is a high-severity vulnerability in Libtiff, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2016-10-03.
- How severe is CVE-2016-3658?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-3658 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.