CVE-2022-23462

Name: CVE-2022-23462
Creator: NVD / NIST
Published: 2022-10-21T22:15:09.54+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2022-23462 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.65%

46.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Softmotions	Iowow	<= 1.4.15

References

https://github.com/Softmotions/iowow/commit/a79d31e4cff1d5a08f665574b29fd885897a28fdPatch, Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2022-066_iowow/Exploit, Third Party Advisory
https://github.com/Softmotions/iowow/commit/a79d31e4cff1d5a08f665574b29fd885897a28fdPatch, Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2022-066_iowow/Exploit, Third Party Advisory

Timeline

Published: Oct 21, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-23462?

How severe is CVE-2022-23462?

CVE-2022-23462 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2022-23462?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-23462?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST