6.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.035 Low
EPSS
Percentile
91.5%
Hiredis is a minimalistic C client library for the Redis database. In
affected versions Hiredis is vulnurable to integer overflow if provided
maliciously crafted or corrupted RESP
mult-bulk
protocol data. When
parsing multi-bulk
(array-like) replies, hiredis fails to check if `count
can be represented in
SIZE_MAX. If it can not, and the
calloc()` call doesn’t itself make this check, it would result in aAuthor | Note |
---|---|
seth-arnold | This feels like a bug in calloc() implementation, not in Hiredis. I’m marking this not-affected for us because our calloc(3) should do the right thing. |
github.com/redis/hiredis/security/advisories/GHSA-hfm9-39pp-55p2
launchpad.net/bugs/cve/CVE-2021-32765
nvd.nist.gov/vuln/detail/CVE-2021-32765
security-tracker.debian.org/tracker/CVE-2021-32765
wiki.sei.cmu.edu/confluence/display/c/MEM07-C.+Ensure+that+the+arguments+to+calloc%28%29%2C+when+multiplied%2C+do+not+wrap
www.cve.org/CVERecord?id=CVE-2021-32765
6.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.035 Low
EPSS
Percentile
91.5%