CVE-2014-7187

What it is

Off-by-one error in the read_token_word function in parse.y in GNU Bash through 4.3 bash43-026 allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via deeply nested for loops, aka the "word_lineno" issue.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

60.3% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

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

Timeline

1. 2014-09-25 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2014-09-28 19:55 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-06-17 00:14 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 60.3% in the next 30 days (EPSS).
• Severity: 10.0 HIGH (CVSS).
• Fix: none linked yet, which raises it.
• It meets the bar for Drop everything: critical, and exploited or very likely to be.

Details

Published

2014-09-28 19:55 UTC

Last modified

2026-06-17 00:14 UTC

Exploit probability

60.3% · EPSS, next 30 days

Weakness

CWE-119 · Buffer errors

Record status

Modified

Affected

• Gnu Bash 1.14.0
• Gnu Bash 1.14.1
• Gnu Bash 1.14.2
• Gnu Bash 1.14.3
• Gnu Bash 1.14.4
• Gnu Bash 1.14.5
• Gnu Bash 1.14.6
• Gnu Bash 1.14.7

Attack profile CVSS 2.0 · 10.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

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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