CVE-2012-6702

What it is

Expat, when used in a parser that has not called XML_SetHashSalt or passed it a seed of 0, makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via vectors involving use of the srand function.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data tampering.

Exploit odds

2.4% 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. 2016-06-16 18:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:48 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 2.4% in the next 30 days (EPSS).
• Severity: 5.9 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2016-06-16 18:59 UTC

Last modified

2026-06-16 23:48 UTC

Exploit probability

2.4% · EPSS, next 30 days

Weakness

CWE-310

Record status

Modified

Affected

• Libexpat Project Libexpat < 2.2.0
• Canonical Ubuntu Linux 12.04
• Canonical Ubuntu Linux 14.04
• Canonical Ubuntu Linux 15.10
• Canonical Ubuntu Linux 16.04
• Debian Linux 8.0
• Google Android 4.4.4
• Google Android 5.0.2

Attack profile CVSS 3.0 · 5.9

Attack vector

Network

Complexity

High

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

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.

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