HarfBuzz up to 6.0.0 Base Glyph hb-ot-layout-gsubgpos.hh denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in HarfBuzz up to 6.0.0 and classified as problematic. Affected by this issue is some unknown functionality in the library hb-ot-layout-gsubgpos.hh of the component Base Glyph Handler. Executing a manipulation can lead to denial of service. This vulnerability is registered as CVE-2023-25193. No exploit is available. A patch should be applied to remediate this issue.
Details
A vulnerability was found in HarfBuzz up to 6.0.0. It has been declared as problematic. This vulnerability affects an unknown code in the library hb-ot-layout-gsubgpos.hh of the component Base Glyph Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:
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.
The weakness was published 02/05/2023 as 85be877925ddbf34f74a1229f3ca1716bb6170dc. The advisory is available at github.com. This vulnerability was named CVE-2023-25193 since 02/04/2023. Technical details are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 216439 (openSUSE 15 Security Update : java-11-openj9 (openSUSE-SU-2025:0066-1)), which helps to determine the existence of the flaw in a target environment.
Applying the patch 85be877925ddbf34f74a1229f3ca1716bb6170dc is able to eliminate this problem. The bugfix is ready for download at github.com.
The vulnerability is also documented in the vulnerability database at Tenable (216439). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 216439
Nessus Name: openSUSE 15 Security Update : java-11-openj9 (openSUSE-SU-2025:0066-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: 85be877925ddbf34f74a1229f3ca1716bb6170dc
Timeline
02/04/2023 🔍02/05/2023 🔍
02/05/2023 🔍
02/19/2025 🔍
Sources
Product: github.comAdvisory: 85be877925ddbf34f74a1229f3ca1716bb6170dc
Status: Confirmed
CVE: CVE-2023-25193 (🔍)
GCVE (CVE): GCVE-0-2023-25193
GCVE (VulDB): GCVE-100-220210
Entry
Created: 02/05/2023 08:19Updated: 02/19/2025 13:38
Changes: 02/05/2023 08:19 (42), 03/05/2023 09:08 (11), 02/19/2025 13:38 (21)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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