Dashboard / CVE-2026-122054

CVE-2026-122054

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 62/100
Published: 2026-11-04 Modified: 2026-11-12 First seen: 2026-11-04 Status: active

Attack Surface

Network No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

Description

Converting crafted BIG-HKSCS input to UCS-4 or the internal wide character encoding, for example with iconv, in the GNU C Library version 2.18 through 2.31 may result in the converter making no progress, causing the calling application to hang.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
The GNU C Library glibc 2.18
The GNU C Library glibc 2.18
The GNU C Library glibc 2.18

References & Advisories (3)

Bug Bounty Relevance

62 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

5.9 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.45%
Raw Score 0.004460
Percentile 39.4%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00446
2026-11-13
0.00446
2026-11-12
0.00446
2026-11-10
0.00446
2026-11-09
0.00446
2026-11-08
0.00446
2026-11-07
0.00446
2026-11-06
0.00446
2026-11-05
0.00446

Intelligence Sources

mitre ref →
nvd ref →

External Links