Linux · 
Oracle Linux · Security advisory · November 16, 2021
Oracle Linux · Security advisory · November 16, 2021ELSA-2021-4409: Security update for 2 packages
ELSA-2021-4409, released November 16, 2021, fixes 1 CVE across 2 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0237
84th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libgcrypt | ol 8 | 0:1.8.5-6.el8 |
| libgcrypt-devel | ol 8 | 0:1.8.5-6.el8 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2021-33560 | Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm and the window size is not chosen appropriately. This for example affects use of ElGamal in OpenPGP. | 7.5 | 0.0237 | None reported |
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