The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade Oracle:8
squid
to version 7:4.11-3.module+el8.3.0+7819+eb7d4ef6 or higher.
This issue was patched in ELSA-2020-4743
.
Note: Versions mentioned in the description apply only to the upstream squid
package and not the squid
package as distributed by Oracle
.
See How to fix?
for Oracle:8
relevant fixed versions and status.
An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.