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FreeType EUVDEUVD-2026-42157

| CVE-2026-50811 MEDIUM
Out-of-bounds Read (CWE-125)
2026-07-07 mitre GHSA-v5fr-wv7c-jq2m
6.5
CVSS 3.1 · Vendor: mitre
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Severity by source

Vendor (mitre) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
vuln.today AI
6.5 MEDIUM

Network vector valid for server-side font processors; no auth or interaction needed; impact bounded to partial read and limited availability per CWE-125.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (mitre).

CVSS VectorVendor: mitre

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Jul 08, 2026 - 20:54 vuln.today
CVSS changed
Jul 08, 2026 - 20:22 NVD
6.5 (MEDIUM)
CVE Published
Jul 07, 2026 - 00:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

An out-of-bounds read vulnerability exists in FreeType 2.14.3 and versions before commit 5a280ecde6f324de0d226261036e736e0cb49a71 in src/truetype/ttgxvar.c, in the TT_Get_Var_Design implementation used by FT_Get_Var_Design_Coordinates

AnalysisAI

Out-of-bounds read in FreeType 2.14.3 exposes partial heap memory and risks process crashes when processing crafted variable fonts via the TT_Get_Var_Design code path. The CVSS vector (AV:N/AC:L/PR:N/UI:N) reflects server-side or automated font processing pipelines where untrusted font data reaches FT_Get_Var_Design_Coordinates without authentication barriers. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Supply crafted variable font to font-consuming service
Delivery
Service calls FT_Get_Var_Design_Coordinates on attacker font
Exploit
TT_Get_Var_Design reads out-of-bounds in ttgxvar.c
Execution
Partial heap memory disclosed or process crashes
Impact
Information disclosure or availability degradation achieved

Vulnerability AssessmentAI

Exploitation Exploitation requires that a vulnerable version of FreeType (2.14.3 or earlier, before fix commit 5a280ecde6f324de0d226261036e736e0cb49a71) processes a crafted variable font file and the application calls FT_Get_Var_Design_Coordinates on that font object. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 6.5 Medium score with AV:N/AC:L/PR:N/UI:N describes a realistic risk surface for applications that process untrusted variable fonts automatically - such as server-side document renderers, PDF processors, or web font pipelines. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker submits a specially crafted variable font file to a server-side document conversion service or web application that calls FT_Get_Var_Design_Coordinates as part of font introspection or metadata extraction. The malformed axis coordinate data triggers an out-of-bounds read in TT_Get_Var_Design within ttgxvar.c, either leaking a small quantity of adjacent heap memory (potentially containing metadata from prior font processing) or crashing the FreeType worker process. …
Remediation The upstream fix is committed at https://gitlab.freedesktop.org/freetype/freetype/-/commit/5a280ecde6f324de0d226261036e736e0cb49a71 and mirrored at https://github.com/freetype/freetype/commit/5a280ecde6f324de0d226261036e736e0cb49a71. … Detailed patch versions, workarounds, and compensating controls in full report.

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EUVD-2026-42157 vulnerability details – vuln.today

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