Search for vulnerabilities
Vulnerability details: VCID-3pz4-p8n7-mfe7
Vulnerability ID VCID-3pz4-p8n7-mfe7
Aliases CVE-2016-8617
Summary The base64 encode function in curl before version 7.51.0 is prone to a buffer being under allocated in 32bit systems if it receives at least 1Gb as input via `CURLOPT_USERNAME`.
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-787 Out-of-bounds Write
System Score Found at
cvssv3 3.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-8617.json
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2016-8617
cvssv3.1 Medium https://curl.se/docs/CVE-2016-8617.html
cvssv2 3.7 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.4 https://nvd.nist.gov/vuln/detail/CVE-2016-8617
cvssv3 7.0 https://nvd.nist.gov/vuln/detail/CVE-2016-8617
archlinux High https://security.archlinux.org/AVG-60
archlinux High https://security.archlinux.org/AVG-61
archlinux High https://security.archlinux.org/AVG-62
archlinux High https://security.archlinux.org/AVG-63
archlinux High https://security.archlinux.org/AVG-65
archlinux High https://security.archlinux.org/AVG-66
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2018:2486
https://access.redhat.com/errata/RHSA-2018:3558
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-8617.json
https://api.first.org/data/v1/epss?cve=CVE-2016-8617
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8617
https://curl.haxx.se/CVE-2016-8617.patch
https://curl.haxx.se/docs/adv_20161102C.html
https://curl.se/docs/CVE-2016-8617.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8615
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8616
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8617
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8618
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8619
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8620
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8621
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8622
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8623
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8624
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.gentoo.org/glsa/201701-47
https://www.tenable.com/security/tns-2016-21
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/94097
http://www.securitytracker.com/id/1037192
1388377 https://bugzilla.redhat.com/show_bug.cgi?id=1388377
ASA-201611-10 https://security.archlinux.org/ASA-201611-10
ASA-201611-4 https://security.archlinux.org/ASA-201611-4
ASA-201611-5 https://security.archlinux.org/ASA-201611-5
ASA-201611-7 https://security.archlinux.org/ASA-201611-7
ASA-201611-8 https://security.archlinux.org/ASA-201611-8
ASA-201611-9 https://security.archlinux.org/ASA-201611-9
AVG-60 https://security.archlinux.org/AVG-60
AVG-61 https://security.archlinux.org/AVG-61
AVG-62 https://security.archlinux.org/AVG-62
AVG-63 https://security.archlinux.org/AVG-63
AVG-65 https://security.archlinux.org/AVG-65
AVG-66 https://security.archlinux.org/AVG-66
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-2016-8617 https://nvd.nist.gov/vuln/detail/CVE-2016-8617
USN-3123-1 https://usn.ubuntu.com/3123-1/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-8617.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:L/AC:H/Au:N/C:P/I:P/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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: AV:L/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-8617
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:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-8617
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 0.24614
EPSS Score 0.00081
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:28:20.946492+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.17/main.json 37.0.0