CVE-2023-23109

In crasm 1.8-3, invalid input validation, specific files passed to the command line application, can lead to a divide by zero fault in the function opdiv.

Published: 2023-02-27 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-23109 is rated Moderate Risk (47.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.74%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-23109

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.41% 0.74% +0.33%
2 2026-06-12 0.23% 0.41% +0.18%
3 2026-02-28 0.23%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-23109

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2023-23109

OS Trackers for CVE-2023-23109

vendor priority summary link
debian unimportant CVE-2023-23109 unimportant priority: Debian including 1 source packages (crasm), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. https://security-tracker.debian.org/tracker/CVE-2023-23109
ubuntu medium CVE-2023-23109 medium priority: Ubuntu including 1 source packages (crasm), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 6, needed 6, needs-triage 1. https://ubuntu.com/security/CVE-2023-23109

Affected software / configurations for CVE-2023-23109

Vendor Product Version Raw CPE
crasm_project crasm < 1.11 cpe:2.3:a:crasm_project:crasm:*:*:*:*:*:*:*:*

References for CVE-2023-23109

cvelogic Threat Intelligence