8.8

CVE-2017-17942: libtiff Out-of-bounds Read

CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2017-17942DEBIAN-CVE-2017-17942
Published 28-12-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-17942 is a high (CVSS 8.8) Out-of-bounds Read vulnerability in libtiff. EPSS estimates a 2.41% chance of exploitation in the next 30 days, higher than 83.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
46/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
2.41%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 4 · Related 3

Timeline

  1. 28-12-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In LibTIFF 4.0.9, there is a heap-based buffer over-read in the function PackBitsEncode in tif_packbits.c.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.41%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

-0.02 pp

From 2.43% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.maptools.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • tiff< 4.0.6-3
Libtiff1 product
Ubuntu1 product
  • tiffAll versions (No fix recorded)

3 vendors · 3 products

References

5 links