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 RHEL:8
shim-ia32
to version 0:15-14.el8_1 or higher.
This issue was patched in RHSA-2020:3223
.
Note: Versions mentioned in the description apply only to the upstream shim-ia32
package and not the shim-ia32
package as distributed by RHEL
.
See How to fix?
for RHEL:8
relevant fixed versions and status.
There is an issue on grub2 before version 2.06 at function read_section_as_string(). It expects a font name to be at max UINT32_MAX - 1 length in bytes but it doesn't verify it before proceed with buffer allocation to read the value from the font value. An attacker may leverage that by crafting a malicious font file which has a name with UINT32_MAX, leading to read_section_as_string() to an arithmetic overflow, zero-sized allocation and further heap-based buffer overflow.