CVE-2025-51495
published 2025-09-29CVE-2025-51495: An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17. By sending a specially crafted WebSocket request, an attacker…
PriorityP340high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.40%
31.4th percentile
An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17. By sending a specially crafted WebSocket request, an attacker can cause the application to crash. If downstream vendors integrate this component improperly, the issue may lead to a buffer overflow.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cesanta | mongoose | 7.5 – 7.17 | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
vendor_redhat7.5HIGH
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Red Hat
mongoose: Integer Overflow in Mongoose's WebSocket component
vendor_redhat·2025-09-29·CVSS 7.5
CVE-2025-51495 [HIGH] CWE-190 mongoose: Integer Overflow in Mongoose's WebSocket component
mongoose: Integer Overflow in Mongoose's WebSocket component
An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17. By sending a specially crafted WebSocket request, an attacker can cause the application to crash. If downstream vendors integrate this component improperly, the issue may lead to a buffer overflow.
A vulnerability was identified in the WebSocket component of Mongoose package versions 7.5 through 7.17. An attacker can exploit this flaw by sending a specially crafted request to a targeted application. Successful exploitation results in the application crashing, creating a denial of service. In certain cases where the component is integrated improperly by downstream products, this flaw could lead to a buffer overflow. This more severe co
GHSA
GHSA-83rc-g55p-8xj2: An integer overflow vulnerability exists in the WebSocket component of Mongoose 7
ghsa_unreviewed·2025-09-29
CVE-2025-51495 [HIGH] CWE-121 GHSA-83rc-g55p-8xj2: An integer overflow vulnerability exists in the WebSocket component of Mongoose 7
An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17. By sending a specially crafted WebSocket request, an attacker can cause the application to crash. If downstream vendors integrate this component improperly, the issue may lead to a buffer overflow.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2025-51495 smplayer: From CVEorg collector [fedora-42]
bugzilla·2025-10-02·CVSS 7.5
CVE-2025-51495 [HIGH] CVE-2025-51495 smplayer: From CVEorg collector [fedora-42]
CVE-2025-51495 smplayer: From CVEorg collector [fedora-42]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
This message is a reminder that Fedora Linux 42 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora Linux 42 on 2026-05-13.
It is Fedora's policy to close all bug reports from releases that ar
Bugzilla
CVE-2025-51495 mongoose: From CVEorg collector [fedora-42]
bugzilla·2025-10-02·CVSS 7.5
CVE-2025-51495 [HIGH] CVE-2025-51495 mongoose: From CVEorg collector [fedora-42]
CVE-2025-51495 mongoose: From CVEorg collector [fedora-42]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
This message is a reminder that Fedora Linux 42 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora Linux 42 on 2026-05-13.
It is Fedora's policy to close all bug reports from releases that ar
Bugzilla
CVE-2025-51495 flmsg: From CVEorg collector [fedora-42]
bugzilla·2025-10-02·CVSS 7.5
CVE-2025-51495 [HIGH] CVE-2025-51495 flmsg: From CVEorg collector [fedora-42]
CVE-2025-51495 flmsg: From CVEorg collector [fedora-42]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
This message is a reminder that Fedora Linux 42 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora Linux 42 on 2026-05-13.
It is Fedora's policy to close all bug reports from releases that are n
2025-09-29
Published