libbpg 0.9.7 BPG Encoder JPEG File null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic has been found in libbpg 0.9.7. This affects some unknown processing of the component BPG Encoder. The manipulation as part of a JPEG File 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:

A vulnerability was found while fuzzing libbpg 0.9.7. It is a NULL pointer dereference issue due to missing check of the return value of function malloc in the BPG encoder. This vulnerability appeared while converting a malicious JPEG file to BPG.

The bug was discovered 04/20/2017. The weakness was shared 08/22/2018 as not defined mailinglist post (oss-sec). The advisory is shared at This vulnerability is uniquely identified as CVE-2017-2575 since 11/30/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 489 days. During that time the estimated underground price was around $0-$5k.

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




CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


11/30/2016 🔍
04/20/2017 +140 days 🔍
04/20/2017 +0 days 🔍
08/22/2018 +488 days 🔍
08/22/2018 +0 days 🔍
08/23/2018 +1 days 🔍
05/04/2023 +1715 days 🔍


Status: Not defined

CVE: CVE-2017-2575 (🔍)
X-Force: 148857
SecurityFocus: 97963 - libbpg 'image_alloc()' Function Null Pointer Dereference Denial of Service Vulnerability


Created: 08/23/2018 06:33 AM
Updated: 05/04/2023 08:54 AM
Changes: 08/23/2018 06:33 AM (59), 03/17/2020 01:58 PM (3), 05/04/2023 08:54 AM (3)
Complete: 🔍


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