From 15663e3f37091069b8c98a7fce680dc04bc8e865 Mon Sep 17 00:00:00 2001 From: sauwming Date: Tue, 10 Aug 2021 11:53:25 +0800 Subject: [PATCH] Merge pull request from GHSA-2qpg-f6wf-w984 --- pjnath/src/pjnath/stun_msg.c | 3 +++ 1 file changed, 3 insertions(+) --- a/pjnath/src/pjnath/stun_msg.c +++ b/pjnath/src/pjnath/stun_msg.c @@ -1763,6 +1763,9 @@ static pj_status_t decode_errcode_attr(p /* Get pointer to the string in the message */ value.ptr = ((char*)buf + ATTR_HDR_LEN + 4); value.slen = attr->hdr.length - 4; + /* Make sure the length is never negative */ + if (value.slen < 0) + value.slen = 0; /* Copy the string to the attribute */ pj_strdup(pool, &attr->reason, &value);