Home/CVE/In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parame
CVE

CVE-2019-11236

In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parame

In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parameter.

MEDIUM · CVSS 6.1 EPSS 0.00575
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')
▤

Affected Products & Versions

1
python urllib3<= 1.24.2
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI urllib3 MODERATE fixed in 1.24.3
⚠

Public Exploits & PoCs

1
pocgithub.com · 1553github.com
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Apr 2019 · 03:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

25
msrcCVE-2019-11236
rhsaRHBA-2020:1540Moderate
rhsaRHBA-2020:1539Important
rhsaRHSA-2020:1605Moderate
suse-csafSUSE-SU-2019:2267-1
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00041.html
https://lists.debian.org/debian-lts-announce/2019/06/msg00016.html
https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html
https://lists.debian.org/debian-lts-announce/2023/10/msg00012.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKGPJLVLVYCL4L4B4G5TIOTVK4BKPG72/
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