eigrp: validate hello packets and tlvs better (backport #19251) #19274
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Improve validation for hello packets and their TLVs; check for too-short and well as too-long values; don't process zero-length TLVs. Signed-off-by: Mark Stapp <mjs@cisco.com> (cherry picked from commit 14937a4)
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Improve validation for hello packets and their TLVs; check for too-short and well as too-long values; don't process zero-length TLVs.
Fixes #19250
This is an automatic backport of pull request #19251 done by Mergify.