CVE-2015-5741

CRITICAL
9.8
CVSS Score
Published: February 8, 2020 at 06:02 PM UTC
Updated: June 17, 2026 at 12:29 AM UTC
3 products affected across 2 vendorsEnterprise LinuxOpenStackGo

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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%

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 that contains Content-Length and Transfer-Encoding header fields.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.4.3
Affected range stops below 1.4.3, so it looks safe — our inference, not a vendor statement

References (7)

Vendor Advisoryx_refsource_FEDORAx_refsource_MISCMailing ListPatchThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/167997.html
Vendor Advisoryx_refsource_FEDORAx_refsource_MISCMailing ListPatchThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168029.html
Mailing Listx_refsource_MLISTx_refsource_MISCThird Party Advisory
http://seclists.org/oss-sec/2015/q3/237
Mailing Listx_refsource_MLISTx_refsource_MISCThird Party Advisory
http://seclists.org/oss-sec/2015/q3/292
Mailing Listx_refsource_MLISTx_refsource_MISCThird Party Advisory
http://seclists.org/oss-sec/2015/q3/294
x_refsource_CONFIRMx_refsource_MISCIssue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1250352
x_refsource_CONFIRMx_refsource_MISCPatchThird Party Advisory
https://github.com/golang/go/commit/300d9a21583e7cf0149a778a0611e76ff7c6680f

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-444

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