| Package | Affected versions | Patched versions |
|---|---|---|
| http server | < 2.4.55 | 2.4.55 |
A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and earlier.
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