| Package | Affected versions | Patched versions |
|---|---|---|
| powerkvm | = 2.1= 3.1 | |
| pcre | = 7.8= 8.32= 8.33= 8.34= 8.35= 8.36= 8.37 | |
| pcre2 | = 10.10 |
PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.
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