CVE-2014-7187

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.

CVSS v2.0

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

58.46% chance of exploitation in the next 30 days, 99th percentile

Published

2014-09-28

Updated

2024-08-06

Proof-of-concept exploits (3)

• HttpEduardo/ShellTHEbest0★ · 2026-01-08
• UMDTERPS/Shell-Shock-Update0★ · 2014-12-17
• eduardo-paim/ShellTHEbest0★ · 2026-01-08

ExploitDB entries (2)

• https://www.exploit-db.com/exploits/36933
• https://www.exploit-db.com/exploits/34860

References

• CVE Record
• NVD entry

Related

• CVE-2014-6271
• CVE-2014-7186
• CVE-2014-7169
• CVE-2014-7190
• CVE-2014-7183
• CVE-2014-7192