libjpeg sampleinterleavedlsscan.cpp ParseMCU null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in libjpeg. Affected by this issue is the function SampleInterleavedLSScan::ParseMCU of the file sampleinterleavedlsscan.cpp. This manipulation causes null pointer dereference. The identification of this vulnerability is CVE-2021-39515. There is no exploit available.

Detailsinfo

A vulnerability has been found in libjpeg (the affected version is unknown) and classified as problematic. Affected by this vulnerability is the function SampleInterleavedLSScan::ParseMCU of the file sampleinterleavedlsscan.cpp. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability.

The weakness was shared 09/21/2021 as 37. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-39515 since 08/23/2021. Technical details of the vulnerability are known, but there is no available exploit.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
09/21/2021 +29 days 🔍
09/21/2021 +0 days 🔍
09/29/2021 +8 days 🔍

Sourcesinfo

Advisory: 37
Status: Confirmed

CVE: CVE-2021-39515 (🔍)
GCVE (CVE): GCVE-0-2021-39515
GCVE (VulDB): GCVE-100-183019

Entryinfo

Created: 09/21/2021 09:30
Updated: 09/29/2021 20:03
Changes: 09/21/2021 09:30 (37), 09/29/2021 19:56 (1), 09/29/2021 20:03 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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