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vulnerabilityCVE-2026-6409
Name
CVE-2026-6409
Source
NVD ( link)Debian ( link)
Description
A Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input. Maliciously structured messages—specifically those containing negative varints or deep recursion—can be used to crash the application, impacting service availability.
Published Date
Updated Date
Workaround
-
Advisories

Analysis#


Vulnerability Ratings#


7.1
CVSSv4
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
29.3
Not Affected
buildroot
master
35.1
Not Affected
openwrt
master
29.5-r1
Not Affected
openwrt
master
3.17.3-r1
Not Affected
openwrt
master
5.29.5-r1
Not Affected
openwrt
openwrt-25.12
3.17.3-r3
Not Affected
yocto
kirkstone
3.19.6
Not Affected
yocto
kirkstone
3.20.3
Not Affected
yocto
scarthgap
4.25.8
Not Affected