CVE-2025-10954: phonenumbers — Exploit & Fix

Description

Versions of the package github.com/nyaruka/phonenumbers before 1.2.2 are vulnerable to Improper Validation of Syntactic Correctness of Input in the phonenumbers.Parse() function. An attacker can cause a panic by providing crafted input causing a "runtime error: slice bounds out of range".

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-1286 CWE-1286

Affected Products

Vendor	Product	Versions
textit	phonenumbers	< 1.2.2

References

Advisories & Patches

https://github.com/nyaruka/phonenumbers/commit/0479e35488e8a002a261cdb515ef8a7f80ca37fe https://github.com/nyaruka/phonenumbers/issues/148

Exploits

https://github.com/nyaruka/phonenumbers/issues/148 https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMNYARUKAPHONENUMBERS-6084070

Frequently Asked Questions

What is CVE-2025-10954? +

Versions of the package github.com/nyaruka/phonenumbers before 1.2.2 are vulnerable to Improper Validation of Syntactic Correctness of Input in the phonenumbers.Parse() function. An attacker can cause a panic by providing crafted input causing a "runtime error: slice bounds out of range". It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-10954? +

CVE-2025-10954 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-10954? +

CVE-2025-10954 affects products from textit, specifically: phonenumbers. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-10954? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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