CVE-2017-17511

KildClient 3.1.0 does not validate strings before launching the program specified by the BROWSER...

8.8 HighFix available

KildClient 3.1.0 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL, related to prefs.c and worldgui.c.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.69%Up 0.9 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

Record: CVE-2017-17511
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-74
Updated: 2026-11-02

CVE List No score

Record: CVE-2017-17511
Updated: 2026-11-02

EUVDEUVD-2017-8672 No score

Record: EUVD-2017-8672
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9cjh-6cvj-78v9 8.8

KildClient 3.1.0 does not validate strings before launching the program specified by the BROWSER...

Record: GHSA-9cjh-6cvj-78v9
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-74
Updated: 2026-11-02

OSV 8.8

Record: CVE-2017-17511
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2017-17511 8.8

Record: DEBIAN-CVE-2017-17511
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2017-17511 8.8

Record: UBUNTU-CVE-2017-17511
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`kildclient` Debian:12	before 3.2.0-1	3.2.0-1
`kildclient` Debian:13	before 3.2.0-1	3.2.0-1
`kildclient` Debian:14	before 3.2.0-1	3.2.0-1
`kildclient` Debian:7	before 2.11.1-1+deb7u1, plus listed versions 2.11.1-1	2.11.1-1+deb7u1
`kildclient` Ubuntu:14.04:LTS	before 2.11.1-1+deb7u2build0.14.04.1, plus listed versions 2.11.1-1build12.11.1-1build2	2.11.1-1+deb7u2build0.14.04.1
`kildclient` Ubuntu:16.04:LTS	All versions, plus listed versions 3.0.0-23.0.0-2build13.0.0-2build2	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-17511 is a high vulnerability (CVSS 8.8) in Kildclient, published December 14, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.69%, the 77th percentile. Fixed in kildclient 3.2.0-1.