CVE-2021-30836
webkitgtk: Out-of-bounds read leading to memory disclosure
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted audio file may disclose restricted memory.
Se abordó una lectura fuera de límites con una comprobación de entrada mejorada. Este problema se corrigió en iOS versión 14.8 y iPadOS versión 14.8, tvOS versión 15, watchOS versión 8, iOS versión 15 y iPadOS versión 15. El procesamiento de un archivo de audio diseñado de forma maliciosa puede revelar la memoria restringida
An out-of-bounds read flaw was found in WebKitGTK. A specially crafted audio file could use this flaw to trigger a disclosure of memory when processed.
WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Issues addressed include buffer overflow, bypass, code execution, cross site scripting, information leakage, out of bounds read, and use-after-free vulnerabilities.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-04-13 CVE Reserved
- 2021-10-28 CVE Published
- 2024-08-03 CVE Updated
- 2025-04-06 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-125: Out-of-bounds Read
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2021/12/20/6 | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://support.apple.com/en-us/HT212807 | 2021-12-21 | |
| https://support.apple.com/en-us/HT212814 | 2021-12-21 | |
| https://support.apple.com/en-us/HT212815 | 2021-12-21 | |
| https://support.apple.com/en-us/HT212819 | 2021-12-21 | |
| https://support.apple.com/kb/HT212816 | 2021-12-21 | |
| https://support.apple.com/kb/HT212869 | 2021-12-21 | |
| https://access.redhat.com/security/cve/CVE-2021-30836 | 2022-05-10 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2034376 | 2022-05-10 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Apple Search vendor "Apple" | Safari Search vendor "Apple" for product "Safari" | < 15.0.0 Search vendor "Apple" for product "Safari" and version " < 15.0.0" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Ipados Search vendor "Apple" for product "Ipados" | < 14.8 Search vendor "Apple" for product "Ipados" and version " < 14.8" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Iphone Os Search vendor "Apple" for product "Iphone Os" | < 14.8 Search vendor "Apple" for product "Iphone Os" and version " < 14.8" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | < 12.0.1 Search vendor "Apple" for product "Macos" and version " < 12.0.1" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Tvos Search vendor "Apple" for product "Tvos" | < 15.0 Search vendor "Apple" for product "Tvos" and version " < 15.0" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Watchos Search vendor "Apple" for product "Watchos" | < 8.0 Search vendor "Apple" for product "Watchos" and version " < 8.0" | - |
Affected
| ||||||