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openbsd 7.9 · errata 036

2026-10-20 · common

By providing malformed config mode payloads, a malicious IKEv1 peer could crash isakmpd(8) due to an out-of-bounds read.

installera

# syspatch

binär patch finns för amd64, arm64, i386

källpatch

signify -Vep /etc/signify/openbsd-79-base.pub -x 036_isakmpd.patch.sig \
    -m - | (cd /usr/src && patch -p0)

And then rebuild and install isakmpd:
cd /usr/src/sbin/isakmpd
make obj
make
make install

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