libde265 1.0.10 sse-motion.cc ff_hevc_put_unweighted_pred_8_sse null pointer dereference

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CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.5	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in libde265 1.0.10. This vulnerability affects the function ff_hevc_put_unweighted_pred_8_sse of the file sse-motion.cc. Performing a manipulation results in null pointer dereference. This vulnerability was named CVE-2023-24756. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in libde265 1.0.10. This affects the function ff_hevc_put_unweighted_pred_8_sse of the file sse-motion.cc. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

libde265 v1.0.10 was discovered to contain a NULL pointer dereference in the ff_hevc_put_unweighted_pred_8_sse function at sse-motion.cc. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input file.

The weakness was presented 03/01/2023 as 380. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-24756 since 01/30/2023. Technical details are known, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-28766). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

libde265

Version

1.0.10

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/30/2023 🔍
03/01/2023 +30 days 🔍
03/01/2023 +0 days 🔍
10/26/2025 +969 days 🔍

Sourcesinfo

Advisory: 380
Status: Confirmed

CVE: CVE-2023-24756 (🔍)
GCVE (CVE): GCVE-0-2023-24756
GCVE (VulDB): GCVE-100-222093
EUVD: 🔍

Entryinfo

Created: 03/01/2023 20:32
Updated: 10/26/2025 00:41
Changes: 03/01/2023 20:32 (39), 03/30/2023 07:41 (11), 10/26/2025 00:41 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.