zebra: Fix buffer overflows found by fuzzing. #19303
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Fixed a stack buffer overflow in `zread_srv6_manager_release_locator_chunk` and `zread_srv6_manager_get_locator_chunk` by adding a check to ensure the length read from the stream does not exceed the stack buffer size. https: //oss-fuzz.com/testcase-detail/5455147614994432 https: //issues.oss-fuzz.com/issues/42504504 Change-Id: Ib28a49ca0a034542a45f25a15c5588ad5310f0ac Signed-off-by: Oliver Chang <ochang@google.com>
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This was referenced Jul 31, 2025
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zebra: Fix buffer overflows found by fuzzing. (backport #19303)
donaldsharp
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Jul 31, 2025
zebra: Fix buffer overflows found by fuzzing. (backport #19303)
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Jul 31, 2025
zebra: Fix buffer overflows found by fuzzing. (backport #19303)
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zebra: Fix buffer overflows found by fuzzing. (backport #19303)
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Bug Fixes: * bgpd: initialize local variable (backport #19233) * ospfd: Use after free cleanup of lsa (backport #19224) * vtysh: copy config from file should actually apply (backport #19242) * Revert PR #18358: BGP evpn testing and bug fixes related to non default EVPN backbone (backport #19241) * topotests: improve embedded RP test reliability (backport #19240) * lib, zebra: mark singleton nexthops inactive/active on link state changes for wecmp (backport #18947) * bgpd: LL next-hop capabilty fixes (backport #19261) * eigrp: validate hello packets and tlvs better (backport #19251) * bgpd: Fix compilation error in bgpd module: Update TP_ARGS for bgp (backport #19266) * bgpd: Ensure addpath does not withdraw selected route in some situations (backport #19210) * bgpd: [GR] fixed selectionDeferralTimer to display select_defer_time val by #19282 * bgpd: LL next-hop capabilty fixes (round 2) (backport #19277) * lib: compute link-state zapi message size (backport #19290) * zebra: Fix buffer overflows found by fuzzing. (backport #19303) Signed-off-by: Jafar Al-Gharaibeh <jafar@atcorp.com>
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Fixed a stack buffer overflow in
zread_srv6_manager_release_locator_chunkandzread_srv6_manager_get_locator_chunkby adding a check to ensure the length read from the stream does not exceed the stack buffer size.https://oss-fuzz.com/testcase-detail/5455147614994432
https://issues.oss-fuzz.com/issues/42504504