CVE-2019-5436

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Summary

CVECVE-2019-5436
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-05-28 19:29:06 UTC
Updated2026-04-15 21:17:01 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.132730000 probability, percentile 0.941690000 (date 2026-04-15)

Problem Types: CWE-122 | CWE-787 | CWE-122 Heap Overflow (CWE-122)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1ADPDECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:L/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application F5 Traffix Signaling Delivery Controller All All All All
Operating System Fedoraproject Fedora 29 All All All
Application Haxx Libcurl All All All All
Application Netapp Hci Management Node - All All All
Application Netapp Solidfire - All All All
Application Netapp Steelstore Cloud Integrated Storage - All All All
Operating System Opensuse Leap 15.0 All All All
Operating System Opensuse Leap 15.1 All All All
Operating System Opensuse Leap 42.3 All All All
Application Oracle Enterprise Manager Ops Center 12.3.3 All All All
Application Oracle Enterprise Manager Ops Center 12.4.0 All All All
Application Oracle Mysql Server All All All All
Application Oracle Mysql Server All All All All
Application Oracle Oss Support Tools 20.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Curl Curl affected Fixed in 7.65.0 Not specified

References

ReferenceSourceLinkTags
Bugtraq: [SECURITY] [DSA 4633-1] curl security update af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
myF5 af854a3a-2127-422b-91ae-364da2661108 support.f5.com
Debian -- Security Information -- DSA-4633-1 curl af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
[security-announce] openSUSE-SU-2019:1508-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
support.f5.com/csp/article/K55133295 af854a3a-2127-422b-91ae-364da2661108 support.f5.com Third Party Advisory
May 2019 curl/libcurl Vulnerabilities in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
Oracle Critical Patch Update - October 2019 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Patch, Third Party Advisory
Oracle Critical Patch Update Advisory - October 2020 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
Oracle Critical Patch Update Advisory - April 2020 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
[security-announce] openSUSE-SU-2019:1492-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
cURL: Multiple vulnerabilities (GLSA 202003-29) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
[SECURITY] Fedora 29 Update: curl-7.61.1-11.fc29 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
curl - TFTP receive buffer overflow - CVE-2019-5436 af854a3a-2127-422b-91ae-364da2661108 curl.haxx.se Exploit, Patch, Vendor Advisory
oss-security - [SECURITY ADVISORY] curl: TFTP small blocksize heap buffer overflow af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Patch, Third Party Advisory
CONFIRM:https://support.f5.com/csp/article/K55133295?utm_source=f5support&utm_medium=RSS MITRE support.f5.com
[SECURITY] Fedora 29 Update: curl-7.61.1-11.fc29 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 296071 Oracle Solaris 11.4 Support Repository Update (SRU) 27.82.1 Missing (CPUOCT2020)
  • 377235 Alibaba Cloud Linux Security Update for curl (ALINUX2-SA-2020:0065)
  • 377396 Alibaba Cloud Linux Security Update for curl (ALINUX3-SA-2021:0078)
  • 500128 Alpine Linux Security Update for curl
  • 502295 Alpine Linux Security Update for gnurl
  • 503783 Alpine Linux Security Update for curl
  • 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
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