What is GHSA-xpv7-vm32-p7wv?

GHSA-xpv7-vm32-p7wv is a security advisory published by GitHub Security Advisories with Medium severity. GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode...

Which CVE IDs does GHSA-xpv7-vm32-p7wv cover?

GHSA-xpv7-vm32-p7wv covers the following CVE IDs: CVE-2026-57053. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xpv7-vm32-p7wv?

GHSA-xpv7-vm32-p7wv has a CVSS v3 base score of 4.0, published by GitHub Security Advisories.

GHSA-xpv7-vm32-p7wvMediumCVSS 4.0

GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode...

Vendor

GitHub Security Advisories

Published

June 23, 2026

Last Modified

June 23, 2026

🔗 CVE IDs covered (1)

CVE-2026-57053 →

📋 Description

GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishandling in idna_to_unicode_internal. The affected code is not present in libidn2.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-57053
https://lists.gnu.org/archive/html/help-libidn/2026-05/msg00000.html
https://lists.gnu.org/archive/html/help-libidn/2026-06/msg00001.html
https://github.com/advisories/GHSA-xpv7-vm32-p7wv