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
master
1.24.13-r1
Not Affected
openwrt
master
1.26.4-r1
Not Affected
openwrt
openwrt-25.12
1.24.13-r1
Not Affected
openwrt
openwrt-25.12
1.26.4-r1
Not Affected
yocto
kirkstone
1.17.13
Not Affected
yocto
kirkstone
1.17.13
Not Affected
yocto
master
1.26.4
Not Affected
yocto
master
1.26.4
Not Affected
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