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Vulnerability details: VCID-6gre-wwgj-afce
Vulnerability ID VCID-6gre-wwgj-afce
Aliases CVE-2019-5435
Summary An integer overflow in curl's URL API results in a buffer overflow in libcurl 7.62.0 to and including 7.64.1.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-131 Incorrect Calculation of Buffer Size
CWE-190 Integer Overflow or Wraparound
System Score Found at
cvssv3 3.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-5435.json
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00456 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00456 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00456 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
epss 0.00456 https://api.first.org/data/v1/epss?cve=CVE-2019-5435
cvssv3.1 Low https://curl.se/docs/CVE-2019-5435.html
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2019-5435
cvssv3 3.7 https://nvd.nist.gov/vuln/detail/CVE-2019-5435
archlinux High https://security.archlinux.org/AVG-961
archlinux High https://security.archlinux.org/AVG-962
archlinux High https://security.archlinux.org/AVG-963
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-5435.json
https://api.first.org/data/v1/epss?cve=CVE-2019-5435
https://curl.haxx.se/docs/CVE-2019-5435.html
https://curl.se/docs/CVE-2019-5435.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5435
https://hackerone.com/reports/547630
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMG3V4VTX2SE3EW3HQTN3DDLQBTORQC2/
https://security.gentoo.org/glsa/202003-29
https://security.netapp.com/advisory/ntap-20190606-0004/
https://support.f5.com/csp/article/K08125515
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
1710609 https://bugzilla.redhat.com/show_bug.cgi?id=1710609
929352 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=929352
ASA-201905-13 https://security.archlinux.org/ASA-201905-13
ASA-201905-14 https://security.archlinux.org/ASA-201905-14
ASA-201905-15 https://security.archlinux.org/ASA-201905-15
AVG-961 https://security.archlinux.org/AVG-961
AVG-962 https://security.archlinux.org/AVG-962
AVG-963 https://security.archlinux.org/AVG-963
cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
CVE-2019-5435 https://nvd.nist.gov/vuln/detail/CVE-2019-5435
RHSA-2020:4384 https://access.redhat.com/errata/RHSA-2020:4384
USN-3993-1 https://usn.ubuntu.com/3993-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-5435.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-5435
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2019-5435
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.39804
EPSS Score 0.00177
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:28:50.810084+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.9/main.json 37.0.0