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Mend.io Vulnerability Database

CVE-2025-27363

Date: March 11, 2025

An out of bounds write exists in FreeType versions 2.13.0 and below when attempting to parse font subglyph structures related to TrueType GX and variable font files. The vulnerable code assigns a signed short value to an unsigned long and then adds a static value causing it to wrap around and allocate too small of a heap buffer. The code then writes up to 6 signed long integers out of bounds relative to this buffer. This may result in arbitrary code execution. This vulnerability may have been exploited in the wild.

Severity Score

8.1

Related Resources (19)

Url: https://www.facebook.com/security/advisories/cve-2025-27363

Url: http://www.openwall.com/lists/oss-security/2025/03/13/8

Url: http://www.openwall.com/lists/oss-security/2025/03/13/12

Url: http://www.openwall.com/lists/oss-security/2025/03/13/11

Url: https://source.android.com/docs/security/bulletin/2025-05-01

Url: https://lists.debian.org/debian-lts-announce/2025/03/msg00030.html

Url: http://www.openwall.com/lists/oss-security/2025/05/06/3

Url: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-27363

Url: https://nvd.nist.gov/vuln/detail/CVE-2025-27363

Url: http://www.openwall.com/lists/oss-security/2025/03/13/3

Url: http://www.openwall.com/lists/oss-security/2025/03/14/2

Url: http://www.openwall.com/lists/oss-security/2025/03/14/3

Url: http://www.openwall.com/lists/oss-security/2025/03/14/4

Url: https://security-tracker.debian.org/tracker/CVE-2025-27363

Url: http://www.openwall.com/lists/oss-security/2025/03/13/1

Url: http://www.openwall.com/lists/oss-security/2025/03/13/2

Url: http://www.openwall.com/lists/oss-security/2025/03/14/1

Url: https://security.alpinelinux.org/vuln/CVE-2025-27363

Url: https://www.mend.io/vulnerability-database/CVE-2025-27363

Severity Score

8.1

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	8.1
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

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CVE-2025-27363

Date: March 11, 2025

Severity Score

Related Resources (19)

Severity Score

Weakness Type (CWE)

CVSS v3.1

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