Description
IOWOW is a C utility library and persistent key/value storage engine. Versions 1.4.15 and prior contain a stack buffer overflow vulnerability that allows for Denial of Service (DOS) when it parses scientific notation numbers present in JSON. A patch for this issue is available at commit a79d31e4cff1d5a08f665574b29fd885897a28fd in the `master` branch of the repository. There are no workarounds other than applying the patch.
References (2)
Core 2
Core References
Patch, Third Party Advisory
https://github.com/Softmotions/iowow/commit/a79d31e4cff1d5a08f665574b29fd885897a28fd
Exploit, Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2022-066_iowow/
Scores
CVSS v3
6.2
EPSS
0.0023
EPSS Percentile
45.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-121
CWE-120
CWE-787
Status
published
Products (1)
softmotions/iowow
< 1.4.15
Published
Oct 21, 2022
Tracked Since
Feb 18, 2026