new file mode 100644
@@ -0,0 +1,69 @@
+From f64efec011c058bd70348576438abac222fe6c82 Mon Sep 17 00:00:00 2001
+From: louislafosse <louis.lafosse@epitech.eu>
+Date: Mon, 31 Mar 2025 20:48:52 +0200
+Subject: [PATCH] fix(null) : improve error handlings when passing a null
+ pointer to some functions from lz4frame
+
+CVE: CVE-2025-62813
+Upstream-Status: Backport [https://github.com/lz4/lz4/commit/f64efec011c058bd70348576438abac222fe6c82]
+Signed-off-by: Peter Marko <peter.marko@siemens.com>
+---
+ lib/lz4frame.c | 15 +++++++++++++--
+ tests/frametest.c | 9 ++++++---
+ 2 files changed, 19 insertions(+), 5 deletions(-)
+
+diff --git a/lib/lz4frame.c b/lib/lz4frame.c
+index 85daca7b..c9e4a3cf 100644
+--- a/lib/lz4frame.c
++++ b/lib/lz4frame.c
+@@ -539,9 +539,16 @@ LZ4F_CDict*
+ LZ4F_createCDict_advanced(LZ4F_CustomMem cmem, const void* dictBuffer, size_t dictSize)
+ {
+ const char* dictStart = (const char*)dictBuffer;
+- LZ4F_CDict* const cdict = (LZ4F_CDict*)LZ4F_malloc(sizeof(*cdict), cmem);
++ LZ4F_CDict* cdict = NULL;
++
+ DEBUGLOG(4, "LZ4F_createCDict_advanced");
+- if (!cdict) return NULL;
++
++ if (!dictStart)
++ return NULL;
++ cdict = (LZ4F_CDict*)LZ4F_malloc(sizeof(*cdict), cmem);
++ if (!cdict)
++ return NULL;
++
+ cdict->cmem = cmem;
+ if (dictSize > 64 KB) {
+ dictStart += dictSize - 64 KB;
+@@ -1486,6 +1493,10 @@ LZ4F_errorCode_t LZ4F_getFrameInfo(LZ4F_dctx* dctx,
+ LZ4F_frameInfo_t* frameInfoPtr,
+ const void* srcBuffer, size_t* srcSizePtr)
+ {
++ assert(dctx != NULL);
++ RETURN_ERROR_IF(frameInfoPtr == NULL, parameter_null);
++ RETURN_ERROR_IF(srcSizePtr == NULL, parameter_null);
++
+ LZ4F_STATIC_ASSERT(dstage_getFrameHeader < dstage_storeFrameHeader);
+ if (dctx->dStage > dstage_storeFrameHeader) {
+ /* frameInfo already decoded */
+diff --git a/tests/frametest.c b/tests/frametest.c
+index de0fe643..90247547 100644
+--- a/tests/frametest.c
++++ b/tests/frametest.c
+@@ -714,10 +714,13 @@ static int unitTests(U32 seed, double compressibility)
+ size_t const srcSize = 65 KB; /* must be > 64 KB to avoid short-size optimizations */
+ size_t const dstCapacity = LZ4F_compressFrameBound(srcSize, NULL);
+ size_t cSizeNoDict, cSizeWithDict;
+- LZ4F_CDict* const cdict = LZ4F_createCDict(CNBuffer, dictSize);
+- if (cdict == NULL) goto _output_error;
+- CHECK( LZ4F_createCompressionContext(&cctx, LZ4F_VERSION) );
++ LZ4F_CDict* cdict = NULL;
+
++ CHECK( LZ4F_createCompressionContext(&cctx, LZ4F_VERSION) );
++ cdict = LZ4F_createCDict(CNBuffer, dictSize);
++ if (cdict == NULL)
++ goto _output_error;
++
+ DISPLAYLEVEL(3, "Testing LZ4F_createCDict_advanced : ");
+ { LZ4F_CDict* const cda = LZ4F_createCDict_advanced(lz4f_cmem_test, CNBuffer, dictSize);
+ if (cda == NULL) goto _output_error;
@@ -14,7 +14,9 @@ SRCREV = "ebb370ca83af193212df4dcbadcc5d87bc0de2f0"
SRC_URI = "git://github.com/lz4/lz4.git;branch=release;protocol=https \
file://reproducibility.patch \
- file://run-ptest"
+ file://run-ptest \
+ file://CVE-2025-62813.patch \
+"
UPSTREAM_CHECK_GITTAGREGEX = "v(?P<pver>.*)"
inherit ptest