VDB

ALPINE-CVE-2016-6261

ALPINE-CVE-2016-6261 PUBLISHED CVSS 7.5 HIGH

The idna_to_ascii_4i function in lib/idna.c in libidn before 1.33 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via 64 bytes of input.

Risk Scores

CVSS 3.0
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Alpine:v3.6libidn1.25-r0, 1.32-r0, 1.30-r0
Alpine:v3.7libidn0, 0, 1.32-r0
Alpine:v3.15libidn1.25-r0, 0, 1.13-r0
Alpine:v3.4libidn0, 1.32-r0, 1.30-r0
Alpine:v3.24libidn0
Alpine:v3.22libidn0, 1.14-r0, 1.16-r1
Alpine:v3.9libidn1.25-r1, 0, 1.14-r0
Alpine:v3.20libidn0, 1.13-r0, 1.14-r0
Alpine:v3.16libidn1.16-r1, 0, 1.32-r0
Alpine:v3.8libidn1.32-r0, 1.30-r0, 1.29-r0
Alpine:v3.21libidn0, 1.32-r0, 1.30-r0
Alpine:v3.14libidn0, 1.32-r0, 1.30-r0
Alpine:v3.12libidn1.13-r0, 0, 1.32-r0
Alpine:v3.17libidn1.22-r0, 0, 1.14-r0
Alpine:v3.23libidn0, 1.13-r0, 1.14-r0
Alpine:v3.5libidn0, 1.32-r0, 1.30-r0
Alpine:v3.11libidn1.16-r3, 0, 1.32-r0
Alpine:v3.3libidn1.15-r0, 1.22-r0, 0
Alpine:v3.13libidn0, 0, 1.15-r0
Alpine:v3.10libidn1.30-r0, 1.13-r0, 1.14-r0

…and 3 more

Timeline

  • Sep 7, 2016 CVE Published
  • Apr 30, 2026 Distribution Patch
  • Jun 9, 2026 CVE Updated
Open in Interactive Console →
$ Console Community · 100/wk Open console ›