9.8

CVE-2015-5740: fedoraproject fedora HTTP Request/Response Smuggling

CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2015-5740
Published 18-10-2017Last modified 06-08-2024

Vulnerability summary

CVE-2015-5740 is a critical (CVSS 9.8) HTTP Request/Response Smuggling vulnerability in fedoraproject fedora. EPSS estimates a 3.66% chance of exploitation in the next 30 days, higher than 89.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
3.66%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 18-10-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The net/http library in net/http/transfer.go in Go before 1.4.3 does not properly parse HTTP headers, which allows remote attackers to conduct HTTP request smuggling attacks via a request with two Content-length headers.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.66%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

0.00 pp

From 3.66% on 20-09-2026

20-09-202620-10-2026
EPSS score
3.66%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat4 products
Fedoraproject1 product
Golang1 product
  • go≤ 1.4.2
Ubuntu1 product
  • gccgo-4.9All versions (No fix recorded)

4 vendors · 7 products

References

10 links