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critical10.0Public exploit code

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-bou…

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

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.

Affected products

VendorProductAffected versions
GnuBash
Versions 1.14.0, 1.14.1, 1.14.2, 1.14.3, 1.14.4, 1.14.5

Weakness classification

CWE-119

References