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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>
This commit is contained in:
Gyorgy Sarvari
2026-02-26 15:46:22 +01:00
parent 68c3e48a59
commit 3a9f929fb0
2 changed files with 45 additions and 0 deletions
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meta-oe/recipes-graphics/fontforge/fontforge/CVE-2025-15270.patch
+44
View File
@@ -0,0 +1,44 @@
From c36b95c57f85a34ad85ca2be34f62ff1100d52f1 Mon Sep 17 00:00:00 2001
From: Ahmet Furkan Kavraz
<55850855+ahmetfurkankavraz@users.noreply.github.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)
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 940627a3b..99d92b051 100644
--- a/fontforge/sfd.c
+++ b/fontforge/sfd.c
@@ -8276,6 +8276,10 @@ 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);
@@ -8293,6 +8297,10 @@ 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);
meta-oe/recipes-graphics/fontforge/fontforge_20190801.bb
+1
View File
@@ -21,6 +21,7 @@ SRC_URI = "git://github.com/${BPN}/${BPN}.git;branch=master;protocol=https \
file://CVE-2020-25690-2.patch \ file://CVE-2020-25690-2.patch \
file://CVE-2024-25081-25082.patch \ file://CVE-2024-25081-25082.patch \
file://CVE-2025-15269.patch \ file://CVE-2025-15269.patch \
file://CVE-2025-15270.patch \
" "
S = "${WORKDIR}/git" S = "${WORKDIR}/git"