CVE detail
CVE-2026-5245
A vulnerability was found in Cesanta Mongoose up to 7.20. This impacts the function handle_mdns_record of the file mongoose.c of the component mDNS Record Handler. Performing a manipulation of the argument buf results in stack-based buffer overflow. Remote exploitation of the attack is possible. A high degree of complexity is needed for the attack. The exploitability is said to be difficult. The exploit has been made public and could be used. Upgrading to version 7.21 will fix this issue. The patch is named 0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 19.5 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
6 source links · newest first
- https://vuldb.com/vuln/354826/ctivuldb.com
No excerpt available.
Exploitvuldb.comApr 2, 2026, 10:16 AM - https://vuldb.com/vuln/354826vuldb.com
No excerpt available.
Exploitvuldb.comApr 2, 2026, 10:16 AM - https://vuldb.com/submit/770103vuldb.com
No excerpt available.
Exploitvuldb.comApr 2, 2026, 10:16 AM No excerpt available.
Exploitgithub.comApr 2, 2026, 10:16 AMNo excerpt available.
Exploitgithub.comApr 2, 2026, 10:16 AM- https://github.com/cesanta/mongoose/github.com
No excerpt available.
Exploitgithub.comApr 2, 2026, 10:16 AM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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