What is CVE-2023-23462?

CVE-2023-23462 is a critical-severity vulnerability in Hasherezade (GitHub) Libpeconv, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2023-02-15.

How severe is CVE-2023-23462?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Integer overflow in Hasherezade (GitHub) Libpeconv

CVE-2023-23462

Libpeconv – integer overflow, before commit 75b1565 (30/11/2022).

Vulnerability class: Integer Overflow

Published 2023-02-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (50.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Hasherezade (GitHub) Libpeconv — versions before commit b076013 (30/11/2022).
Libpeconv Project

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

www.gov.il/en/Departments/faq/cve_advisories (Third Party Advisory)

Frequently asked questions

What is CVE-2023-23462?: CVE-2023-23462 is a critical-severity vulnerability in Hasherezade (GitHub) Libpeconv, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2023-02-15.
How severe is CVE-2023-23462?: Critical severity. CVSS v3 base score is 9.8 out of 10.