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CVE-2018-1000300
CRITICAL
curl version curl 7.54.1 to and including curl 7.59.0 contains a CWE-122: Heap-based Buffer Overflow vulnerability in denial of service and more that can result in curl might overflow a heap based memory buffer when closing down an FTP connection with very long server command replies.. This vulnerability appears to have been fixed in curl < 7.54.1 and curl >= 7.60.0.
Published: May 24, 2018
Modified: Jun 17, 2026
CWE-787
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (5)
| Vendor | Product | Version |
|---|---|---|
| haxx | curl | * ≥ 7.54.1 |
| canonical | ubuntu_linux | 14.04 |
| canonical | ubuntu_linux | 16.04 |
| canonical | ubuntu_linux | 17.10 |
| canonical | ubuntu_linux | 18.04 |
GitHub Security Advisory GHSA-5vcr-2m3x-3m96
curl version curl 7.54.1 to and including curl 7.59.0 contains a CWE-122: Heap-based Buffer...
References (16)
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html Patch
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html Patch
- http://www.securityfocus.com/bid/104207 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040933 Third Party Advisory, VDB Entry
- https://curl.haxx.se/docs/adv_2018-82c2.html Patch, Vendor Advisory
- https://security.gentoo.org/glsa/201806-05 Third Party Advisory
- https://usn.ubuntu.com/3648-1/ Third Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html Patch
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html Patch
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html Patch
- http://www.securityfocus.com/bid/104207 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040933 Third Party Advisory, VDB Entry
- https://curl.haxx.se/docs/adv_2018-82c2.html Patch, Vendor Advisory
- https://security.gentoo.org/glsa/201806-05 Third Party Advisory
- https://usn.ubuntu.com/3648-1/ Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
4.80%
Top 9% most likely to be exploited
Threat Score
40.6 / 100
Data Sources
NVD
EPSS
GitHub