CVE-2019-5436A 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.
Updated under an hour ago ()
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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.
- CVSS
- 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-122
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- hackerone
- NVD analysis
- Modified
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 14, 2026
Affected products
curl curl curl:curl (from the name) | Fixed in 7.65.0 | CNA record |
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
haxx libcurl haxx:libcurl | from 7.19.4 through 7.64.1 | NVD |
opensuse leap opensuse:leap | 15.0; 15.1; 42.3 | NVD |
fedoraproject fedora fedoraproject:fedora | 29 | NVD |
debian debian_linux debian:debian_linux | 9.0; 10.0 | NVD |
f5 traffix_signaling_delivery_controller f5:traffix_signaling_delivery_controller | from 5.0.0 through 5.1.0 | NVD |
netapp hci_management_node netapp:hci_management_node | all versions | NVD |
netapp solidfire netapp:solidfire | all versions | NVD |
netapp steelstore_cloud_integrated_storage netapp:steelstore_cloud_integrated_storage | all versions | NVD |
oracle enterprise_manager_ops_center oracle:enterprise_manager_ops_center | 12.3.3; 12.4.0 | NVD |
oracle mysql_server oracle:mysql_server | through 5.7.27; from 5.7.28 through 8.0.17 | NVD |
oracle oss_support_tools oracle:oss_support_tools | 20.0 | NVD |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.htmlvendor-advisory, x-refsource-suse, mailing-list, third-party-advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.htmlvendor-advisory, x-refsource-suse, mailing-list, third-party-advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/vendor-advisory, x-refsource-fedora
- http://www.openwall.com/lists/oss-security/2019/09/11/6mailing-list, x-refsource-mlist, patch, third-party-advisory
- https://www.debian.org/security/2020/dsa-4633vendor-advisory, x-refsource-debian, third-party-advisory
- https://seclists.org/bugtraq/2020/Feb/36mailing-list, x-refsource-bugtraq, third-party-advisory
- https://security.gentoo.org/glsa/202003-29vendor-advisory, x-refsource-gentoo, third-party-advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlx-refsource-misc, third-party-advisory
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.htmlx-refsource-misc, patch, third-party-advisory
- https://www.oracle.com/security-alerts/cpuoct2020.htmlx-refsource-misc
- https://security.netapp.com/advisory/ntap-20190606-0004/x-refsource-confirm, third-party-advisory
- https://curl.haxx.se/docs/CVE-2019-5436.htmlx-refsource-confirm, exploit, patch, vendor-advisory
- https://support.f5.com/csp/article/K55133295x-refsource-confirm, third-party-advisory
- https://support.f5.com/csp/article/K55133295?utm_source=f5support&%3Butm_medium=RSSx-refsource-confirm
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.