CVE-2015-5739: fedoraproject fedora HTTP Request/Response Smuggling
CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2015-5739GO-2021-0159CVE-2015-5740CVE-2015-5741
Published 18-10-2017Last modified 06-08-2024
Vulnerability summary
CVE-2015-5739 is a critical (CVSS 9.8) HTTP Request/Response Smuggling vulnerability in fedoraproject fedora. EPSS estimates a 9.63% chance of exploitation in the next 30 days, higher than 95.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
9.63%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 18-10-2017PublishedVulnerability first disclosed.
- 06-08-2024Last 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 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
9.63%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 9.63% on 20-09-2026
20-09-202620-10-2026
EPSS score9.63%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat6 products
- enterprise_linuxEOL7.0
- enterprise_linux_server7.0
- enterprise_linux_server_aus7.2 | 7.3 | 7.4 | 7.6
- enterprise_linux_server_eus7.2 | 7.3 | 7.4 | 7.5 | 7.6
- enterprise_linux_server_tus7.2 | 7.3 | 7.6
Fedoraproject1 product
- fedoraEOL21 | 22
Go1 product
- stdlib< 1.4.3
Golang1 product
- go< 1.4.3 | ≤ 1.4.2
Ubuntu1 product
- gccgo-4.9All versions (No fix recorded)
5 vendors · 10 products
References
23 links- lists.fedoraproject.org/pipermail/package-announce/2015-October/167997.htmlVendor AdvisoryX Refsource FEDORAThird Party AdvisoryMailing ListPatch
- lists.fedoraproject.org/pipermail/package-announce/2015-October/168029.htmlVendor AdvisoryX Refsource FEDORAThird Party AdvisoryMailing ListPatch
- bugzilla.redhat.com/show_bug.cgi?id=1250352X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- github.com/golang/go/commit/117ddcb83d7f42d6aa72241240af99ded81118e9X Refsource CONFIRMIssue TrackingPatchThird Party AdvisoryREPORT
Show all 23 references
- go.dev/issue/12027REPORT
- go.dev/issue/11930REPORT
- github.com/golang/go/commit/300d9a21583e7cf0149a778a0611e76ff7c6680fPatchThird Party AdvisoryIssue Tracking