From: Ankur Tyagi <[email protected]>

Details https://nvd.nist.gov/vuln/detail/CVE-2023-51847

The vulnerability exists in coap_threadsafe.c but thread safe support was
added in version v4.5.3 [1]

[1] 
https://github.com/obgm/libcoap/commit/c69c5d5af0a30859e90756f535e2ca21cdeda0b2

$ git tag --contains c69c5d5
v4.3.5
v4.3.5-rc1
v4.3.5-rc2
v4.3.5-rc3
v4.3.5a

Signed-off-by: Ankur Tyagi <[email protected]>
---
 meta-networking/recipes-devtools/libcoap/libcoap_4.3.4.bb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/meta-networking/recipes-devtools/libcoap/libcoap_4.3.4.bb 
b/meta-networking/recipes-devtools/libcoap/libcoap_4.3.4.bb
index 4f5a986858..9c45cd248e 100644
--- a/meta-networking/recipes-devtools/libcoap/libcoap_4.3.4.bb
+++ b/meta-networking/recipes-devtools/libcoap/libcoap_4.3.4.bb
@@ -64,3 +64,4 @@ FILES:${PN}-bin = "${bindir}"
 FILES:${PN}-dev += "${datadir}/${BPN}/examples"
 
 CVE_STATUS[CVE-2025-50518] = "disputed: happens only when library is used 
incorrectly"
+CVE_STATUS[CVE-2023-51847] = "not-applicable-config: Doesn't apply to our 
configuration so we can safely ignore it."
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