Answer in brief
CVE-2024-42391 records a Unknown severity vulnerability in Use of Out-of-range Pointer Offset in Mongoose Web Server library. The current sources do not mark it as known exploited. The current feed maps Cesanta/Mongoose Web Server (generic), Siemens/Reyrolle 7SR5 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Cesanta/Mongoose Web Server (generic), Siemens/Reyrolle 7SR5 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cesanta/Mongoose Web Servergeneric | 0 | Not reported |
| Siemens/Reyrolle 7SR5generic | >=0 <V2.70 | V2.70 |
Published upstream
Nov 18, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 8, 2026
Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.
Quoted source text, attributed separately from HOL analysis.