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.
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: 0.050 (91.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.050 · newest: 0.050 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2016-12/msg00017.html (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201701-16 (vendor-advisory)
- www.securityfocus.com/bid/94420 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2016/11/18/15 (mailing-list, Mailing List, Third Party Advisory)
- bugzilla.maptools.org/show_bug.cgi (Issue Tracking)
- www.debian.org/security/2017/dsa-3762 (vendor-advisory)
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.