CVE-2008-3656

Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and…

published August 13, 2008

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.4th percentile for exploit probability.

CVSS
—
EPSS
70%
Percentile
99.4
In the wild
Unconfirmed
What it is

Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.70202 · 99.4th percentile
Published
2008-08-13T01:00Z
EPSS history
Timeline
  • 13 AUG 01:00Z
    Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and…
    cvelistv5