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fontforge: patch CVE-2025-15279

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Details: https://nvd.nist.gov/vuln/detail/CVE-2025-15279

Pick the patch that mentions this vulnerability ID explicitly.
Also, this patch has caused some regression - pick the patch also
that fixed that regression.

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Gyorgy Sarvari
2026-01-27 07:50:16 +01:00
committed by Khem Raj
parent c42dac1f08
commit 922de306a6
3 changed files with 80 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta-oe/recipes-graphics/fontforge/fontforge/CVE-2025-15279-1.patch
+42
View File
@@ -0,0 +1,42 @@
From ce71f0cdce556f56c5207a33a1be3830a73cc04f Mon Sep 17 00:00:00 2001
From: Gyorgy Sarvari <skandigraun@gmail.com>
Date: Thu, 8 Jan 2026 15:47:43 +0100
Subject: [PATCH] Fix CVE-2025-15279: Heap buffer overflow in BMP RLE
decompression (#5720)
From: Ahmet Furkan Kavraz <55850855+ahmetfurkankavraz@users.noreply.github.com>
CVSS: 7.8 (High)
ZDI-CAN-27517
Co-authored-by: Ahmet Furkan Kavraz <kavraz@amazon.com>
CVE: CVE-2025-15279
Upstream-Status: Backport [https://github.com/fontforge/fontforge/commit/7d67700cf8888e0bb37b453ad54ed932c8587073]
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
---
gutils/gimagereadbmp.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/gutils/gimagereadbmp.c b/gutils/gimagereadbmp.c
index 5a137e28a..133336787 100644
--- a/gutils/gimagereadbmp.c
+++ b/gutils/gimagereadbmp.c
@@ -181,12 +181,18 @@ static int readpixels(FILE *file,struct bmpheader *head) {
int ii = 0;
while ( ii<head->height*head->width ) {
int cnt = getc(file);
+ if (cnt < 0 || ii + cnt > head->height * head->width) {
+ return 0;
+ }
if ( cnt!=0 ) {
int ch = getc(file);
while ( --cnt>=0 )
head->byte_pixels[ii++] = ch;
} else {
cnt = getc(file);
+ if (cnt < 0 || ii + cnt > head->height * head->width) {
+ return 0;
+ }
if ( cnt>= 3 ) {
int odd = cnt&1;
while ( --cnt>=0 )
meta-oe/recipes-graphics/fontforge/fontforge/CVE-2025-15279-2.patch
+35
View File
@@ -0,0 +1,35 @@
From 4cd078071e2487f052ec997ee13bb910d796587b Mon Sep 17 00:00:00 2001
From: Gyorgy Sarvari <skandigraun@gmail.com>
Date: Mon, 12 Jan 2026 22:45:16 +0100
Subject: [PATCH] Fix CVE-2025-15279: Move bounds check inside cnt >= 3 block
(#5723)
From: Ahmet Furkan Kavraz <55850855+ahmetfurkankavraz@users.noreply.github.com>
Co-authored-by: Ahmet Furkan Kavraz <kavraz@amazon.com>
CVE: CVE-2025-15279
Upstream-Status: Backport [https://github.com/fontforge/fontforge/commit/720ea95020c964202928afd2e93b0f5fac11027e]
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
---
gutils/gimagereadbmp.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/gutils/gimagereadbmp.c b/gutils/gimagereadbmp.c
index 133336787..ad365158c 100644
--- a/gutils/gimagereadbmp.c
+++ b/gutils/gimagereadbmp.c
@@ -190,10 +190,10 @@ static int readpixels(FILE *file,struct bmpheader *head) {
head->byte_pixels[ii++] = ch;
} else {
cnt = getc(file);
- if (cnt < 0 || ii + cnt > head->height * head->width) {
- return 0;
- }
if ( cnt>= 3 ) {
+ if (ii + cnt > head->height * head->width) {
+ return 0;
+ }
int odd = cnt&1;
while ( --cnt>=0 )
head->byte_pixels[ii++] = getc(file);
meta-oe/recipes-graphics/fontforge/fontforge_20251009.bb
+3 -1
View File
@@ -18,7 +18,9 @@ SRC_URI = "git://github.com/${BPN}/${BPN}.git;branch=master;protocol=https;tag=$
file://0001-include-sys-select-on-non-glibc-platforms.patch \ file://0001-include-sys-select-on-non-glibc-platforms.patch \
file://0001-fontforgeexe-Use-env-to-find-fontforge.patch \ file://0001-fontforgeexe-Use-env-to-find-fontforge.patch \
file://0001-cmake-Use-alternate-way-to-detect-libm.patch \ file://0001-cmake-Use-alternate-way-to-detect-libm.patch \
" file://CVE-2025-15279-1.patch \
file://CVE-2025-15279-2.patch \
"
EXTRA_OECMAKE = "-DENABLE_DOCS=OFF" EXTRA_OECMAKE = "-DENABLE_DOCS=OFF"