Buffer overflow in Libtiff

CVE-2016-9534

tif_write.c in libtiff 4.0.6 has an issue in the error code path of TIFFFlushData1() that didn't reset the tif_rawcc and tif_rawcp members. Reported as MSVR 35095, aka "TIFFFlushData1 heap-buffer-overflow."

Vulnerability class: Buffer Overflow

EPSS: 0.036 (88.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Libtiff — versions 4.0.6
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-9534?
CVE-2016-9534 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-2016-9534?
Critical severity. CVSS v3 base score is 9.8 out of 10.