CVE-2026-57053

LOW
2.5
CVSS Score
Published: June 23, 2026 at 04:40 PM UTC
Updated: October 25, 2026 at 11:10 PM UTC
1 product affected across 1 vendorLibidn

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Severity
LOW2.5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.1.15 ≤ v < 1.44
Affected range stops below 1.44, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1284

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