5.3

CVE-2017-17742: debian debian_linux

Modified
AliasesALPINE-CVE-2017-17742UBUNTU-CVE-2017-17742DEBIAN-CVE-2017-17742
Published 03-04-2018Last modified 05-08-2024

Vulnerability summary

CVE-2017-17742 is a medium (CVSS 5.3) vulnerability in debian debian_linux. EPSS estimates a 5.45% chance of exploitation in the next 30 days, higher than 92.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
5.45%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 20 · Related 4
DLA-1358-1DLA-1359-1DLA-1421-1DLA-2027-1DLA-2330-1DLA-3408-1

Timeline

  1. 03-04-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 allows an HTTP Response Splitting attack. An attacker can inject a crafted key and value into an HTTP response for the HTTP server of WEBrick.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

5.45%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

No change 0.00 pp

From 5.45% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu4 products
  • jruby< 1.5.6-9+deb8u2build0.14.04.1~esm2 | All versions (No fix recorded)
  • ruby1.9.1< 1.9.3.484-2ubuntu1.12
  • ruby2.0< 2.0.0.484-1ubuntu2.10
  • ruby2.3< 2.3.1-2~16.04.10
Debian2 products
Alpine1 product
  • ruby≥ 2.2.0, < 2.5.1-r0 | ≥ 2.2.0, < 2.3.7-r0 | ≥ 2.2.0, < 2.4.4-r0
Ruby-lang1 product
  • rubyEOL≥ 2.2.0, < 2.2.10 | ≥ 2.3.0, < 2.3.7 | ≥ 2.4.0, < 2.4.4 | ≥ 2.5.0, < 2.5.1 | 2.6.0:preview1

4 vendors · 8 products

References

25 links
Show all 25 references