CVE-2015-1229

What it is

net/http/proxy_client_socket.cc in Google Chrome before 41.0.2272.76 does not properly handle a 407 (aka Proxy Authentication Required) HTTP status code accompanied by a Set-Cookie header, which allows remote proxy servers to conduct cookie-injection attacks via a crafted response.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

0.9% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2015-03-09 00:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:21 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.9% in the next 30 days (EPSS).
• Severity: 5.0 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2015-03-09 00:59 UTC

Last modified

2026-06-17 00:21 UTC

Exploit probability

0.9% · EPSS, next 30 days

Weakness

CWE-19

Record status

Modified

Affected

• Canonical Ubuntu Linux 14.04
• Canonical Ubuntu Linux 14.10
• Google Chrome ≤ 40.0.2214.115
• Redhat Enterprise Linux Desktop Supplementary 6.0
• Redhat Enterprise Linux Server 6.0
• Redhat Enterprise Linux Server Supplementary Eus 6.6.z
• Redhat Enterprise Linux Workstation Supplementary 6.0

Attack profile CVSS 2.0 · 5.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2015-1229.md and follow it. Check whether this project is affected by CVE-2015-1229. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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