CVE-2025-49112

setDeferredReply in networking.c in Valkey through 8.1.1 has an integer underflow for prev->size - prev->used.
Wrap or Wraparound
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.1 LOW
ADJACENT_NETWORK
HIGH
NONE
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
mitreCNA
3.1 LOW
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
Common Weakness Enumeration
References
https://github.com/redis/redis/blob/994bc96bb1744cb153392fc96bdba43eae56e17f/src/networking.c#L783
https://github.com/valkey-io/valkey/blob/daea05b1e26db29bfd1c033e27f9d519a2f8ccbb/src/networking.c#L886
https://github.com/valkey-io/valkey/pull/2101