CVE-2019-5436

HIGH
7.8
CVSS Score
Published: May 28, 2019 at 06:47 PM UTC
Updated: October 14, 2026 at 07:16 AM UTC
12 products affected across 7 vendorsDebian LinuxFedoraLeap

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Severity
HIGH7.8
Exploit prediction
EPSS 50%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (15)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html
Mailing Listx_refsource_MLISTPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/09/11/6
x_refsource_CONFIRMExploitPatchVendor Advisory
https://curl.haxx.se/docs/CVE-2019-5436.html
Mailing Listx_refsource_BUGTRAQThird Party Advisory
https://seclists.org/bugtraq/2020/Feb/36
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/202003-29

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-122CWE-787

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