Perl before 5.26.3 and 5.28.x before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations.
{
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{
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{
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{
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{
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{
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}{
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"REFERENCES"
],
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{
"fixed": "5.26.3"
},
{
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},
{
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}
]
}