CVE-2026-41401

Katalog CVE

CVSS 6.5 · Medium EPSS 0,64%

Kerentanan Use After Free. Skor CVSS 3.1 6.5 (Medium) menurut vulncheck.com.

Deskripsi (NVD)

libyang before 5.2.6 contains a heap use-after-free write vulnerability in lyd_parser_set_data_flags that incorrectly updates metadata list pointers when freeing non-head default metadata entries. Attackers can trigger this vulnerability by submitting crafted YANG XML documents with specific metadata attributes to applications parsing untrusted XML data, causing process crashes or potential code execution.

Rincian

Terbit di NVD

26 Mei 2026

Terakhir diubah

24 Juli 2026

Status NVD

Deferred

CVSS 3.1

6.5 (Medium), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

0,64% peluang dieksploitasi; lebih tinggi dari 49,3% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/CESNET/libyang/commit/6b5ed47ee674fbe86b31bbebc4ff26889aeff38c
• https://github.com/CESNET/libyang/security/advisories/GHSA-9f49-8x56-jmjc
• https://red.anthropic.com/2026/cvd/findings/ANT-2026-TZQ1KH7E
• https://www.vulncheck.com/advisories/libyang-heap-use-after-free-write-in-xml-metadata-parsing