yajl-ruby yajl_buf.c heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in yajl-ruby. Impacted is an unknown function of the file yajl_buf.c. This manipulation causes heap-based overflow. This vulnerability is handled as CVE-2022-24795. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in yajl-ruby (Programming Language Software) (version now known). It has been declared as problematic. Affected by this vulnerability is some unknown processing of the file yajl_buf.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect availability.

The weakness was released 04/05/2022. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-24795 since 02/10/2022. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 276111 (TencentOS Server 3: yajl (TSSA-2022:0235)), which helps to determine the existence of the flaw in a target environment.

Applying the patch 7168bd79b888900aa94523301126f968a93eb3a6 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the databases at Tenable (276111) and EUVD (EUVD-2022-1773). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
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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Nessus ID: 276111
Nessus Name: TencentOS Server 3: yajl (TSSA-2022:0235)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 7168bd79b888900aa94523301126f968a93eb3a6

Timelineinfo

02/10/2022 🔍
04/05/2022 +53 days 🔍
04/05/2022 +0 days 🔍
04/01/2026 +1457 days 🔍

Sourcesinfo

Advisory: 7168bd79b888900aa94523301126f968a93eb3a6
Status: Confirmed

CVE: CVE-2022-24795 (🔍)
GCVE (CVE): GCVE-0-2022-24795
GCVE (VulDB): GCVE-100-196531
EUVD: 🔍

Entryinfo

Created: 04/05/2022 22:08
Updated: 04/01/2026 15:15
Changes: 04/05/2022 22:08 (39), 04/08/2022 08:55 (13), 04/08/2022 08:57 (1), 11/24/2025 14:04 (16), 04/01/2026 15:15 (1)
Complete: 🔍
Cache ID: 216::103

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

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