DEBIAN-CVE-2026-56787

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Source

https://security-tracker.debian.org/tracker/CVE-2026-56787

Import Source

https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-56787.json

JSON Data

https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-56787

Upstream

CVE-2026-56787

Published

2026-06-25T19:16:45Z

Modified

2026-09-14T17:03:20Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

[none]

Details

RTKLIB through 2.4.3 contains an off-by-one out-of-bounds read vulnerability in the decode_ssr3 function at src/rtcm3.c:1446 that allows remote attackers to trigger a global buffer overflow via crafted RTCM3 SSR messages with attacker-controlled signal mode fields. Remote attackers can exploit this vulnerability by sending malicious SSR correction streams over NTRIP or serial connections to cause denial of service or crash RTKLIB rovers and CORS servers.

References

https://security-tracker.debian.org/tracker/CVE-2026-56787

Affected packages

Debian:13 / rtklib

Package

Name: rtklib
Purl: pkg:deb/debian/rtklib?arch=source&distro=trixie

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.4.3.b34+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-56787.json"

Debian:14 / rtklib