CVE-2023-25193

harfbuzz: allows attackers to trigger O(n^2) growth via consecutive marks

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks.

A vulnerability was found HarfBuzz. This flaw allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks.

The OpenJDK 11 packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit. This release of the Red Hat build of OpenJDK 11 for portable Linux serves as a replacement for the Red Hat build of OpenJDK 11 and includes security and bug fixes, and enhancements. For further information, refer to the release notes linked to in the References section. Issues addressed include denial of service and integer overflow vulnerabilities.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-02-04 CVE Reserved
2023-02-04 CVE Published
2025-03-25 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-770: Allocation of Resources Without Limits or Throttling

CAPEC

References (8)

URL	Tag	Source
https://github.com/harfbuzz/harfbuzz/blob/2822b589bc837fae6f66233e2cf2eef0f6ce8470/src/hb-ot-layout-gsubgpos.hh	Third Party Advisory
https://security.netapp.com/advisory/ntap-20230725-0006

URL	Date	SRC

URL	Date	SRC
https://chromium.googlesource.com/chromium/src/+/e1f324aa681af54101c1f2d173d92adb80e37088/DEPS#361	2023-11-07
https://github.com/harfbuzz/harfbuzz/commit/85be877925ddbf34f74a1229f3ca1716bb6170dc	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWCHWSICWVZSAXP2YAXM65JC2GR53547	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZ5M2GSAIHFPLHYJXUPQ2QDJCLWXUGO3	2023-11-07
https://access.redhat.com/security/cve/CVE-2023-25193	2024-05-22
https://bugzilla.redhat.com/show_bug.cgi?id=2167254	2024-05-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Harfbuzz Project Search vendor "Harfbuzz Project"		Harfbuzz Search vendor "Harfbuzz Project" for product "Harfbuzz"				<= 6.0.0 Search vendor "Harfbuzz Project" for product "Harfbuzz" and version " <= 6.0.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				36 Search vendor "Fedoraproject" for product "Fedora" and version "36"		-		Affected