From 0a8b791b6b50f23379040841aefedc68dcde2554 Mon Sep 17 00:00:00 2001 From: Ankur Tyagi Date: Wed, 4 Nov 2026 07:36:39 +1300 Subject: [PATCH] flatcc: patch CVE-2026-116734 Details: https://nvd.nist.gov/vuln/detail/cve-2026-116734 Signed-off-by: Ankur Tyagi Signed-off-by: Khem Raj --- .../flatcc/flatcc/CVE-2026-116734.patch | 30 +++++++++++++++++++ .../recipes-devtools/flatcc/flatcc_0.6.4.bb | 1 + 2 files changed, 31 insertions(+) create mode 100644 meta-oe/recipes-devtools/flatcc/flatcc/CVE-2026-116734.patch diff --git a/meta-oe/recipes-devtools/flatcc/flatcc/CVE-2026-116734.patch b/meta-oe/recipes-devtools/flatcc/flatcc/CVE-2026-116734.patch new file mode 100644 index 0000000000..a9e5b59d39 --- /dev/null +++ b/meta-oe/recipes-devtools/flatcc/flatcc/CVE-2026-116734.patch @@ -0,0 +1,30 @@ +From 0bdd50b31bfaabaef9cd92c1a3da7413fc091684 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Mikkel=20Fahn=C3=B8e=20J=C3=B8rgensen?= +Date: Thu, 22 Oct 2026 19:38:52 +0200 +Subject: [PATCH] Fix incorrect overflow guard in verifier + +(cherry picked from commit 0df9c097a19badc8bd22d93af8fd47bd291e5d9f) + +CVE: CVE-2026-116734 +Upstream-Status: Backport [https://github.com/dvidelabs/flatcc/commit/0df9c097a19badc8bd22d93af8fd47bd291e5d9f] + +Dropped changes to the CHANGELOG file. + +Signed-off-by: Ankur Tyagi +--- + src/runtime/verifier.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/runtime/verifier.c b/src/runtime/verifier.c +index e2d1bb6..19243c1 100644 +--- a/src/runtime/verifier.c ++++ b/src/runtime/verifier.c +@@ -127,7 +127,7 @@ static inline int check_header(uoffset_t end, uoffset_t base, uoffset_t offset) + { + uoffset_t k = base + offset; + +- if (uoffset_size <= voffset_size && k + offset_size < k) { ++ if (k + offset_size < k) { + return 0; + } + diff --git a/meta-oe/recipes-devtools/flatcc/flatcc_0.6.4.bb b/meta-oe/recipes-devtools/flatcc/flatcc_0.6.4.bb index 9defbfac04..330aeccc16 100644 --- a/meta-oe/recipes-devtools/flatcc/flatcc_0.6.4.bb +++ b/meta-oe/recipes-devtools/flatcc/flatcc_0.6.4.bb @@ -8,6 +8,7 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=b3d8fb7158bf7e2600ba3191428dc4ef" SRC_URI = "git://github.com/dvidelabs/flatcc.git;protocol=https;branch=master;tag=v${PV} \ file://CVE-2026-116733.patch \ + file://CVE-2026-116734.patch \ " SRCREV = "fec0275c0d0c5b6f495ab48d51fcde521d72b5fc"