Buffer overflow in Curl
CVE-2019-5436
A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl versions 7.19.4 through 7.64.1.
Vulnerability class: Buffer Overflow
EPSS: 0.497 (98.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Curl — versions Fixed in 7.65.0
- F5 Traffix_signaling_delivery_controller
- Haxx Libcurl
- Netapp Hci_management_node
- Netapp Solidfire
- Netapp Steelstore_cloud_integrated_storage
- Oracle Enterprise_manager_ops_center — versions 12.3.3, 12.4.0
- Oracle Mysql_server
- Oracle Oss_support_tools — versions 20.0
- Debian Debian_linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support@hackerone.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- support@hackerone.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- support@hackerone.com (x_refsource_FEDORA, vendor-advisory)
- support@hackerone.com (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- support@hackerone.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- support@hackerone.com (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- support@hackerone.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- support@hackerone.com (Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (Patch, Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-5436?
- CVE-2019-5436 is a high-severity vulnerability in Curl, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2019-05-28.
- How severe is CVE-2019-5436?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-5436 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.