CVE-2019-9741
An issue was discovered in net/http in Go 1.11.5. CRLF injection is possible if the attacker...
An issue was discovered in net/http in Go 1.11.5. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the second argument to http.NewRequest with \r\n followed by an HTTP header or a Redis command.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
6.1
An issue was discovered in net/http in Go 1.11.5. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the second argument to http.NewRequest with \r\n followed by an HTTP header or a Redis command.
- Record
CVE-2019-9741- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-93
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in net/http in Go 1.11.5. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the second argument to http.NewRequest with \r\n followed by an HTTP header or a Redis command.
- Record
CVE-2019-9741- Updated
- 2026-11-02
EUVDEUVD-2019-19104 No score
An issue was discovered in net/http in Go 1.11.5. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the second argument to http.NewRequest with \r\n followed by an HTTP header or a Redis command.
- Record
EUVD-2019-19104- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-46v6-2c7g-7hfg
6.1
An issue was discovered in net/http in Go 1.11.5. CRLF injection is possible if the attacker...
An issue was discovered in net/http in Go 1.11.5. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the second argument to http.NewRequest with \r\n followed by an HTTP header or a Redis command.
- Record
GHSA-46v6-2c7g-7hfg- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-93
- Updated
- 2026-11-02
OSVAZL-38599
6.1
CVE-2019-9741 affecting package python-tensorboard for versions less than 2.16.2-1
An issue was discovered in net/http in Go 1.11.5. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the second argument to http.NewRequest with \r\n followed by an HTTP header or a Redis command.
- Record
AZL-38599- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVBELL-CVE-2019-9741
6.1
CVE-2019-9741 does not affect BellSoft software
- Record
BELL-CVE-2019-9741- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Show 4 moreShow less
OSV
6.1
An issue was discovered in net/http in Go 1.11.5. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the second argument to http.NewRequest with \r\n followed by an HTTP header or a Redis command.
- Record
CVE-2019-9741- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVRHSA-2019:1300
5.3
Red Hat Security Advisory: go-toolset-1.11-golang security update
- Record
RHSA-2019:1300- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVRHSA-2019:1519
5.3
Red Hat Security Advisory: go-toolset:rhel8 security update
- Record
RHSA-2019:1519- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-9741
6.1
An issue was discovered in net/http in Go 1.11.5. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the second argument to http.NewRequest with \r\n followed by an HTTP header or a Redis command.
- Record
UBUNTU-CVE-2019-9741- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
python-tensorboardAzure Linux:3 |
before 2.16.2-1 | 2.16.2-1 |
golangDebian:8 |
before 2:1.3.3-1+deb8u2, plus listed versions 2:1.3.3-12:1.3.3-1+deb8u1 |
2:1.3.3-1+deb8u2 |
golang-1.7Debian:9 From an advisory covering 7 CVEs |
before 1.7.4-2+deb9u3, plus listed versions 1.7.4-21.7.4-2+deb9u11.7.4-2+deb9u2 |
1.7.4-2+deb9u3 |
golang-1.8Debian:9 From an advisory covering 7 CVEs |
before 1.8.1-1+deb9u3, plus listed versions 1.8.1-11.8.1-1+deb9u11.8.1-1+deb9u2 |
1.8.1-1+deb9u3 |
go-toolset-1.11Red Hat:devtools:2019 |
before 0:1.11.5-2.el7 | 0:1.11.5-2.el7 |
go-toolset-1.11-buildRed Hat:devtools:2019 |
before 0:1.11.5-2.el7 | 0:1.11.5-2.el7 |
go-toolset-1.11-golangRed Hat:devtools:2019 |
before 0:1.11.5-3.el7 | 0:1.11.5-3.el7 |
go-toolset-1.11-golang-binRed Hat:devtools:2019 |
before 0:1.11.5-3.el7 | 0:1.11.5-3.el7 |
go-toolset-1.11-golang-docsRed Hat:devtools:2019 |
before 0:1.11.5-3.el7 | 0:1.11.5-3.el7 |
go-toolset-1.11-golang-miscRed Hat:devtools:2019 |
before 0:1.11.5-3.el7 | 0:1.11.5-3.el7 |
Show 19 moreShow less
| Package | Affected | Fixed |
|---|---|---|
go-toolset-1.11-golang-srcRed Hat:devtools:2019 |
before 0:1.11.5-3.el7 | 0:1.11.5-3.el7 |
go-toolset-1.11-golang-testsRed Hat:devtools:2019 |
before 0:1.11.5-3.el7 | 0:1.11.5-3.el7 |
go-toolset-1.11-runtimeRed Hat:devtools:2019 |
before 0:1.11.5-2.el7 | 0:1.11.5-2.el7 |
go-toolset-1.11-scldevelRed Hat:devtools:2019 |
before 0:1.11.5-2.el7 | 0:1.11.5-2.el7 |
go-toolset-1.11-golang-raceRed Hat:devtools:2019 |
before 0:1.11.5-3.el7 | 0:1.11.5-3.el7 |
go-toolsetRed Hat:enterprise_linux:8::appstream |
before 0:1.11.5-2.module+el8.0.0+3175+261ae921 | 0:1.11.5-2.module+el8.0.0+3175+261ae921 |
golangRed Hat:enterprise_linux:8::appstream |
before 0:1.11.5-2.module+el8.0.0+3175+261ae921 | 0:1.11.5-2.module+el8.0.0+3175+261ae921 |
golang-binRed Hat:enterprise_linux:8::appstream |
before 0:1.11.5-2.module+el8.0.0+3175+261ae921 | 0:1.11.5-2.module+el8.0.0+3175+261ae921 |
golang-docsRed Hat:enterprise_linux:8::appstream |
before 0:1.11.5-2.module+el8.0.0+3175+261ae921 | 0:1.11.5-2.module+el8.0.0+3175+261ae921 |
golang-miscRed Hat:enterprise_linux:8::appstream |
before 0:1.11.5-2.module+el8.0.0+3175+261ae921 | 0:1.11.5-2.module+el8.0.0+3175+261ae921 |
golang-raceRed Hat:enterprise_linux:8::appstream |
before 0:1.11.5-2.module+el8.0.0+3175+261ae921 | 0:1.11.5-2.module+el8.0.0+3175+261ae921 |
golang-srcRed Hat:enterprise_linux:8::appstream |
before 0:1.11.5-2.module+el8.0.0+3175+261ae921 | 0:1.11.5-2.module+el8.0.0+3175+261ae921 |
golang-testsRed Hat:enterprise_linux:8::appstream |
before 0:1.11.5-2.module+el8.0.0+3175+261ae921 | 0:1.11.5-2.module+el8.0.0+3175+261ae921 |
golang-1.10Ubuntu:14.04:LTS |
All versions, plus listed versions 1.10.4-2ubuntu1~14.04.1 |
None known |
golang-1.10Ubuntu:16.04:LTS |
All versions, plus listed versions 1.10.4-2ubuntu1~16.04.11.10.4-2ubuntu1~16.04.2 |
None known |
golang-1.6Ubuntu:16.04:LTS |
All versions, plus listed versions 1.6-0ubuntu11.6-0ubuntu21.6-0ubuntu31.6-0ubuntu41.6-0ubuntu5 Show 5 moreShow less1.6.1-0ubuntu11.6.2-0ubuntu5~16.041.6.2-0ubuntu5~16.04.21.6.2-0ubuntu5~16.04.31.6.2-0ubuntu5~16.04.4 |
None known |
golang-1.10Ubuntu:18.04:LTS |
All versions, plus listed versions 1.10~rc1-11.10~rc1-1ubuntu11.10~rc1-2ubuntu11.10~rc2-1ubuntu11.10-1ubuntu11.10.1-1ubuntu21.10.4-2ubuntu1~18.04.11.10.4-2ubuntu1~18.04.2 |
None known |
golang-1.8Ubuntu:18.04:LTS |
All versions, plus listed versions 1.8.3-2ubuntu11.8.3-2ubuntu1.18.04.1 |
None known |
golang-1.9Ubuntu:18.04:LTS |
All versions, plus listed versions 1.9.1-2ubuntu11.9.2-1ubuntu11.9.2-3ubuntu11.9.3-1ubuntu11.9.4-1ubuntu1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-9741 is a medium vulnerability (CVSS 6.1) in Golang Go, published March 13, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.20%, the 82nd percentile. Fixed in python-tensorboard 2.16.2-1.
References
github.com/golang/go/issues/30794
securityfocus.com/bid/107432
lists.debian.org/debian-lts-announce/2019/04/msg00007.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TOOVCEPQM7TZA6VEZEEB7QZABXNHQEHH
access.redhat.com/errata/RHSA-2019:1300
access.redhat.com/errata/RHSA-2019:1519
Show 13 moreShow less
lists.debian.org/debian-lts-announce/2021/03/msg00014.html
lists.debian.org/debian-lts-announce/2021/03/msg00015.html
nvd.nist.gov/vuln/detail/CVE-2019-9741
lists.fedoraproject.org/archives/list/[email protected]/message/TOOVCEPQM7TZA6VEZEEB7QZABXNHQEHH
github.com/advisories/GHSA-46v6-2c7g-7hfg
docs.bell-sw.com/security/cves/CVE-2019-9741
access.redhat.com/security/updates/classification
bugzilla.redhat.com/show_bug.cgi?id=1688230
security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_1300.json
access.redhat.com/security/cve/CVE-2019-9741
cve.org/CVERecord?id=CVE-2019-9741
security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_1519.json
ubuntu.com/security/CVE-2019-9741