CVE-2019-5436: Buffer Overflow
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.
Other sources
cURL libcurl is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the tftpreceivepacket() function. By sending overly long data, a remote attacker could overflow a buffer and execute arbitrary code on the system.
Affected Software
Remediation
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is CVE-2019-5436?
CVE-2019-5436 is a vulnerability in cURL libcurl that allows for a heap-based buffer overflow, leading to arbitrary code execution.
What is the severity of CVE-2019-5436?
CVE-2019-5436 has a severity rating of 7.8, which is classified as high.
What software is affected by CVE-2019-5436?
IBM Data Risk Manager version up to 2.0.6, curl packages in Debian, Haxx Libcurl, openSUSE Leap versions 15.0, 15.1, and 42.3, Fedoraproject Fedora version 29, and Debian Debian Linux versions 9.0 and 10.0 are affected by CVE-2019-5436.
How can I fix CVE-2019-5436 in IBM Data Risk Manager?
To fix CVE-2019-5436 in IBM Data Risk Manager, you can apply the patch provided by IBM. Please visit the IBM support website for more information.
How can I fix CVE-2019-5436 in Debian?
To fix CVE-2019-5436 in Debian, update the curl package to version 7.64.0-4+deb10u2, 7.64.0-4+deb10u7, 7.74.0-1.3+deb11u9, 7.74.0-1.3+deb11u10, 7.88.1-10+deb12u3, 7.88.1-10+deb12u4, or 8.4.0-2 depending on your version.