Apple macOS Ruby memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apple macOS. Impacted is an unknown function of the component Ruby. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2022-28739. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Apple macOS (Operating System) (unknown version). This vulnerability affects an unknown code block of the component Ruby. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 10/24/2022 as HT213488 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2022-28739. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/09/2026). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A remote user may be able to cause unexpected app termination or arbitrary code execution

The vulnerability scanner Nessus provides a plugin with the ID 214476 (Debian dla-3450 : libruby2.5 - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A memory corruption issue was addressed by updating Ruby to version 2.6.10.

The vulnerability is also documented in the databases at Tenable (214476) and CERT Bund (WID-SEC-2022-0119). Once again VulDB remains the best source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Gentoo Linux
  • Open Source Ruby
  • SUSE openSUSE
  • RESF Rocky Linux

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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: 214476
Nessus Name: Debian dla-3450 : libruby2.5 - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

04/06/2022 🔍
10/24/2022 +201 days 🔍
10/24/2022 +0 days 🔍
10/25/2022 +1 days 🔍
05/09/2026 +1292 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213488
Status: Confirmed

CVE: CVE-2022-28739 (🔍)
GCVE (CVE): GCVE-0-2022-28739
GCVE (VulDB): GCVE-100-212140
CERT Bund: WID-SEC-2022-0119 - Ruby: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 10/25/2022 08:51
Updated: 05/09/2026 10:22
Changes: 10/25/2022 08:51 (16), 10/25/2022 08:55 (28), 11/23/2022 15:14 (3), 11/23/2022 15:20 (18), 01/23/2025 04:38 (16), 04/28/2025 21:57 (3), 11/05/2025 05:47 (1), 05/09/2026 10:22 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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