CWE-786: Access of Memory Location Before Start of Buffer
Filter
The product reads or writes to a buffer using an index or pointer that references a memory location prior to the beginning of the buffer.
What the weakness is: CWE-786 at MITRE. All weaknesses
Ask an AI about CWE-786
Show the prompt
Explain CWE-786: Access of Memory Location Before Start of Buffer and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/786.html and https://cve.bz/cve/cwe/786?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this weakness's id and public links.
- 5.8CVE-2026-20058EPSS 0.5%
Multiple Cisco products are affected by vulnerabilities in the Snort 3 VBA feature that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash. These vulnerabilities are due to improper error chec…
- 7.0CVE-2024-5700EPSS 0.4%
Memory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary …
- 6.3CVE-2024-27840EPSS 0.2%
The issue was addressed with improved memory handling. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Monterey 12.7.5, macOS Ventura 13.6.7, tvOS 17.5, visionOS 1.2, watchOS 10.5. An attacker that has …
- 7.8CVE-2024-27831EPSS 0.3%
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Monterey 12.7.5, macOS Sonoma 14.5, macOS Ventura 13.6.7, tvOS 17.5, visionOS 1…
- 7.8CVE-2024-27828EPSS 0.3%
The issue was addressed with improved memory handling. This issue is fixed in iOS 17.5 and iPadOS 17.5, tvOS 17.5, visionOS 1.2, watchOS 10.5. An app may be able to execute arbitrary code with kernel privileges.
- 8.8CVE-2024-27808EPSS 1.2%
The issue was addressed with improved memory handling. This issue is fixed in Safari 17.5, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, visionOS 1.2, watchOS 10.5. Processing web content may lead to arbitrary code execution.
- 7.5CVE-2023-46724EPSS 2.8%
Squid is a caching proxy for the Web. Due to an Improper Validation of Specified Index bug, Squid versions 3.3.0.1 through 5.9 and 6.0 prior to 6.4 compiled using `--with-openssl` are vulnerable to a Denial of Service attack against SSL Ce…
- 7.1CVE-2022-0522EPSS 1.0%
Access of Memory Location Before Start of Buffer in NPM radare2.js prior to 5.6.2.
- 7.8CVE-2022-0351EPSS 0.6%
Access of Memory Location Before Start of Buffer in GitHub repository vim/vim prior to 8.2.