Control: tags 1123741 + patch Control: tags 1123741 + pending Dear maintainer,
I've prepared an NMU for igmpproxy (versioned as 0.3-1.1) and uploaded it to DELAYED/1. Please feel free to tell me if I should cancel it. cu Adrian
diffstat for igmpproxy-0.3 igmpproxy-0.3 changelog | 8 ++++++++ patches/0001-Fix-Buffer-Overflow-97.patch | 25 +++++++++++++++++++++++++ patches/series | 1 + 3 files changed, 34 insertions(+) diff -Nru igmpproxy-0.3/debian/changelog igmpproxy-0.3/debian/changelog --- igmpproxy-0.3/debian/changelog 2021-01-04 19:54:27.000000000 +0200 +++ igmpproxy-0.3/debian/changelog 2026-05-07 12:18:19.000000000 +0300 @@ -1,3 +1,11 @@ +igmpproxy (0.3-1.1) unstable; urgency=medium + + * Non-maintainer upload. + * CVE-2025-50681: buffer overflow in igmpPacketKind() + (Closes: #1123741) + + -- Adrian Bunk <[email protected]> Thu, 07 May 2026 12:18:19 +0300 + igmpproxy (0.3-1) unstable; urgency=medium * New upstream release diff -Nru igmpproxy-0.3/debian/patches/0001-Fix-Buffer-Overflow-97.patch igmpproxy-0.3/debian/patches/0001-Fix-Buffer-Overflow-97.patch --- igmpproxy-0.3/debian/patches/0001-Fix-Buffer-Overflow-97.patch 1970-01-01 02:00:00.000000000 +0200 +++ igmpproxy-0.3/debian/patches/0001-Fix-Buffer-Overflow-97.patch 2026-05-07 12:18:07.000000000 +0300 @@ -0,0 +1,25 @@ +From fce5839a2aac4b091bc82966edce595c13074d50 Mon Sep 17 00:00:00 2001 +From: Jan Klemkow <[email protected]> +Date: Thu, 17 Apr 2025 19:02:16 +0200 +Subject: Fix Buffer Overflow #97 + +--- + src/igmp.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/igmp.c b/src/igmp.c +index 3891437..67e5b80 100644 +--- a/src/igmp.c ++++ b/src/igmp.c +@@ -94,7 +94,7 @@ static const char *igmpPacketKind(unsigned int type, unsigned int code) { + case IGMP_V2_LEAVE_GROUP: return "Leave message "; + + default: +- sprintf(unknown, "unk: 0x%02x/0x%02x ", type, code); ++ snprintf(unknown, sizeof unknown, "unk: 0x%02x/0x%02x ", type, code); + return unknown; + } + } +-- +2.47.3 + diff -Nru igmpproxy-0.3/debian/patches/series igmpproxy-0.3/debian/patches/series --- igmpproxy-0.3/debian/patches/series 1970-01-01 02:00:00.000000000 +0200 +++ igmpproxy-0.3/debian/patches/series 2026-05-07 12:18:17.000000000 +0300 @@ -0,0 +1 @@ +0001-Fix-Buffer-Overflow-97.patch

