Vulnerability Details CVE-2005-0255
String handling functions in Mozilla 1.7.3, Firefox 1.0, and Thunderbird before 1.0.2, such as the nsTSubstring_CharT::Replace function, do not properly check the return values of other functions that resize the string, which allows remote attackers to cause a denial of service and possibly execute arbitrary code by forcing an out-of-memory state that causes a reallocation to fail and return a pointer to a fixed address, which leads to heap corruption.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.08
EPSS Ranking 91.7%
CVSS Severity
CVSS v2 Score 5.0
Products affected by CVE-2005-0255
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cpe:2.3:a:mozilla:firefox:1.0
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cpe:2.3:a:mozilla:mozilla:1.7.3
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cpe:2.3:a:mozilla:thunderbird:0.1
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cpe:2.3:a:mozilla:thunderbird:0.2
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cpe:2.3:a:mozilla:thunderbird:0.3
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cpe:2.3:a:mozilla:thunderbird:0.4
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cpe:2.3:a:mozilla:thunderbird:0.5
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cpe:2.3:a:mozilla:thunderbird:0.6
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cpe:2.3:a:mozilla:thunderbird:0.7
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cpe:2.3:a:mozilla:thunderbird:0.8
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cpe:2.3:a:mozilla:thunderbird:0.9
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cpe:2.3:a:mozilla:thunderbird:1.0