Out-of-bounds Read in Libtiff

CVE-2017-5563

LibTIFF version 4.0.7 is vulnerable to a heap-based buffer over-read in tif_lzw.c resulting in DoS or code execution via a crafted bmp image to tools/bmp2tiff.

Vulnerability class: Buffer Overflow

EPSS: 0.033 (87.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Libtiff — versions 4.0.7
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-5563?
CVE-2017-5563 is a high-severity vulnerability in Libtiff, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2017-01-23.
How severe is CVE-2017-5563?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-5563 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.