CVE-2026-103653: medium-severity vulnerability in Qt
Out-of-bounds read vulnerability in CoAP message parsing impacts Qt CoAP
Published
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.7epss 0.3%
An out-of-bounds read vulnerability in the Qt CoAP message parsing (QCoapInternalReply::createFromFrame()) of the Qt CoAP module. Processing a malformed CoAP message can cause an application using Qt CoAP to crash (loss of availability) or to continue operating on incorrect data (potential loss of integrity).
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U/RE:L/U:Amber
Affected products
qt · QtRelated CVEs — Qt
In the same product, most dangerous first.
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