ospfd: add validation in several places before accessing message bodies (backport #21303) - #21491
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Add validation of LSA, TLV, and sub-TLV sizes before accessing bytes within the message bodies. Reported-by: Haruto Kimura (Stella) <harutokimura0608@gmail.com> Signed-off-by: Mark Stapp <mjs@cisco.com> (cherry picked from commit c70e0dd)
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Add validation of LSA, TLV, and sub-TLV sizes before accessing bytes within packet/message bodies.
This is an automatic backport of pull request #21303 done by [Mergify](https://mergify.com).