Apple Safari up to 15.6.1 WebKit PDF use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple Safari up to 15.6.1. It has been rated as critical. The affected element is an unknown function of the component WebKit PDF. Performing a manipulation results in use after free. This vulnerability was named CVE-2022-32922. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple Safari up to 15.6.1 (Web Browser). It has been classified as critical. This affects an unknown function of the component WebKit PDF. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 10/24/2022 by Yonghwi Jin as HT213495 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2022-32922. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/07/2026). The advisory points out:

Processing maliciously crafted web content may lead to arbitrary code execution

Upgrading to version 16.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A use after free issue was addressed with improved memory management.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-35988). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Safari 16.1

Timelineinfo

06/09/2022 🔍
10/24/2022 +137 days 🔍
10/24/2022 +0 days 🔍
10/25/2022 +1 days 🔍
06/07/2026 +1321 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213495
Researcher: Yonghwi Jin
Status: Confirmed

CVE: CVE-2022-32922 (🔍)
GCVE (CVE): GCVE-0-2022-32922
GCVE (VulDB): GCVE-100-212163
EUVD: 🔍

Entryinfo

Created: 10/25/2022 09:07
Updated: 06/07/2026 09:46
Changes: 10/25/2022 09:07 (19), 10/25/2022 09:10 (27), 11/23/2022 20:26 (3), 06/07/2026 09:46 (15)
Complete: 🔍
Cache ID: 216::103

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

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