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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.497 (98.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.497 · newest: 0.497 · change: 0.000
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 Linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2019-06/msg00008.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-06/msg00017.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.openwall.com/lists/oss-security/2019/09/11/6 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4633 (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2020/Feb/36 (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202003-29 (vendor-advisory, Third Party Advisory)
- www.oracle.com/security-alerts/cpuapr2020.html (Third Party Advisory)
- www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html (Patch, Third Party Advisory)
- www.oracle.com/security-alerts/cpuoct2020.html
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.