diff --git a/meta-multimedia/recipes-multimedia/libheif/libheif/CVE-2026-32738.patch b/meta-multimedia/recipes-multimedia/libheif/libheif/CVE-2026-32738.patch new file mode 100644 index 0000000000..4308aa6195 --- /dev/null +++ b/meta-multimedia/recipes-multimedia/libheif/libheif/CVE-2026-32738.patch @@ -0,0 +1,32 @@ +From 95a7008c89335ca97fc22ab8caab5d62b077a34f Mon Sep 17 00:00:00 2001 +From: Dirk Farin +Date: Sat, 14 Mar 2026 20:32:39 +0100 +Subject: [PATCH] check that 'stsc' box does not have zero samples per chunk + +(cherry picked from commit bdaa37728442800497ea224bd232ca25e2f9bdff) + +CVE: CVE-2026-32738 +Upstream-Status: Backport [https://github.com/strukturag/libheif/commit/bdaa37728442800497ea224bd232ca25e2f9bdff] +Signed-off-by: Ankur Tyagi +--- + libheif/sequences/seq_boxes.cc | 7 +++++++ + 1 file changed, 7 insertions(+) + +diff --git a/libheif/sequences/seq_boxes.cc b/libheif/sequences/seq_boxes.cc +index aec84fd5..91865848 100644 +--- a/libheif/sequences/seq_boxes.cc ++++ b/libheif/sequences/seq_boxes.cc +@@ -875,6 +875,13 @@ Error Box_stsc::parse(BitstreamRange& range, const heif_security_limits* limits) + entry.samples_per_chunk = range.read32(); + entry.sample_description_index = range.read32(); + ++ if (entry.samples_per_chunk == 0) { ++ return { ++ heif_error_Invalid_input, ++ heif_suberror_Unspecified, ++ "'stsc' box with zero samples per chunk entry."}; ++ } ++ + if (entry.sample_description_index == 0) { + return { + heif_error_Invalid_input, diff --git a/meta-multimedia/recipes-multimedia/libheif/libheif_1.21.2.bb b/meta-multimedia/recipes-multimedia/libheif/libheif_1.21.2.bb index ab29fa3b02..b238807fc5 100644 --- a/meta-multimedia/recipes-multimedia/libheif/libheif_1.21.2.bb +++ b/meta-multimedia/recipes-multimedia/libheif/libheif_1.21.2.bb @@ -8,6 +8,7 @@ COMPATIBLE_MACHINE:powerpc64le = "null" SRC_URI = "git://github.com/strukturag/libheif.git;protocol=https;branch=master;tag=v${PV} \ file://CVE-2026-3949.patch \ + file://CVE-2026-32738.patch \ " SRCREV = "62f1b8c76ed4d8305071fdacbe74ef9717bacac5"