NULL pointer dereference in Libtiff
CVE-2016-9448
The TIFFFetchNormalTag function in LibTiff 4.0.6 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by setting the tags TIFF_SETGET_C16ASCII or TIFF_SETGET_C32_ASCII to values that access 0-byte arrays. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9297.
EPSS: 0.050 (91.3th 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
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_MISC, Issue Tracking)
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2016-9448?
- CVE-2016-9448 is a high-severity vulnerability in Libtiff, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-01-27.
- How severe is CVE-2016-9448?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-9448 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.