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
EPSS: 0.040 (89.5th percentile) — read the EPSS interpretation.
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.
Affected products
- Libtiff
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_MISC, Issue Tracking)
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (vdb-entry, x_refsource_BID)
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.