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Affected Component
Analysis
golang-bootstrap
Exploitable
Name
CVE-2026-42504
Description
Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
7.5
CVSSv31
NaN
other
Others affected components#
Name
Project
Project Version
Version
Status
openwrt
openwrt-25.12
1.24.13-r1
Exploitable
openwrt
openwrt-25.12
1.26.6-r1
Not Affected
yocto
kirkstone
1.17.13
Exploitable
yocto
kirkstone
1.17.13
Exploitable
yocto
master
1.26.6
Not Affected
yocto
master
1.26.6
Not Affected
yocto
scarthgap
1.22.12
Patched
yocto
scarthgap
1.22.12
Exploitable
Resolved with patches#
go (yocto:scarthgap)
#
Title
Author
Resolve
1
mime: avoid quadratic complexity in WordDecoder.DecodeHeader
Damien Neil <dneil@google.com>
CVE-2026-42504