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fontforge: patch CVE-2025-15270

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Details: https://nvd.nist.gov/vuln/detail/CVE-2025-15270

Pick the patch that mentions this vulnerbaility explicitly
in its description.

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Gyorgy Sarvari 2026-02-02 14:50:44 +01:00 committed by Khem Raj
parent dd81ffdb68
commit 713739da29
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GPG Key ID: BB053355919D3314
2 changed files with 46 additions and 0 deletions
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45
meta-oe/recipes-graphics/fontforge/fontforge/CVE-2025-15270.patch Normal file
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@ -0,0 +1,45 @@
From 99067ccd695619686646905e637993f0654abb41 Mon Sep 17 00:00:00 2001
From: Gyorgy Sarvari <skandigraun@gmail.com>
Date: Sat, 31 Jan 2026 21:23:41 +0100
Subject: [PATCH] Fix CVE-2025-15270: Heap buffer overflow in SFD kern class
parsing (#5743)
From: Ahmet Furkan Kavraz <55850855+ahmetfurkankavraz@users.noreply.github.com>
Fixes: CVE-2025-15270 | ZDI-25-1194 | ZDI-CAN-28563
Co-authored-by: Ahmet Furkan Kavraz <kavraz@amazon.com>
CVE: CVE-2025-15270
Upstream-Status: Backport [https://github.com/fontforge/fontforge/commit/d01333a5bfa2ac4ed698c24b323d02107deacad7]
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
---
fontforge/sfd.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/fontforge/sfd.c b/fontforge/sfd.c
index be4220515..d550f02fb 100644
--- a/fontforge/sfd.c
+++ b/fontforge/sfd.c
@@ -8147,6 +8147,10 @@ bool SFD_GetFontMetaData( FILE *sfd,
for ( i=classstart; i<kc->first_cnt; ++i ) {
if (kernclassversion < 3) {
getint(sfd,&temp);
+ if (temp < 0) {
+ LogError(_("Corrupted SFD file: Invalid kern class name length %d. Aborting load."), temp);
+ return false;
+ }
kc->firsts[i] = malloc(temp+1); kc->firsts[i][temp] = '\0';
nlgetc(sfd); /* skip space */
fread(kc->firsts[i],1,temp,sfd);
@@ -8164,6 +8168,10 @@ bool SFD_GetFontMetaData( FILE *sfd,
for ( i=1; i<kc->second_cnt; ++i ) {
if (kernclassversion < 3) {
getint(sfd,&temp);
+ if (temp < 0) {
+ LogError(_("Corrupted SFD file: Invalid kern class name length %d. Aborting load."), temp);
+ return false;
+ }
kc->seconds[i] = malloc(temp+1); kc->seconds[i][temp] = '\0';
nlgetc(sfd); /* skip space */
fread(kc->seconds[i],1,temp,sfd);

1
meta-oe/recipes-graphics/fontforge/fontforge_20251009.bb
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@ -22,6 +22,7 @@ SRC_URI = "git://github.com/${BPN}/${BPN}.git;branch=master;protocol=https;tag=$
file://CVE-2025-15279-2.patch \
file://CVE-2025-15275.patch \
file://CVE-2025-15269.patch \
file://CVE-2025-15270.patch \
"
EXTRA_OECMAKE = "-DENABLE_DOCS=OFF"