Medium severity6.5NVD Advisory· Published Jun 25, 2026· Updated Jul 14, 2026
CVE-2026-56787
CVE-2026-56787
Description
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.
Affected products
3- Range: <=2.4.3
Patches
Vulnerability mechanics
References
2- github.com/tomojitakasu/RTKLIB/issues/798nvdExploitIssue TrackingThird Party Advisory
- www.vulncheck.com/advisories/rtklib-off-by-one-out-of-bounds-read-in-decode-ssr3-via-rtcm3-ssr-messagenvdThird Party Advisory
News mentions
0No linked articles in our index yet.