| From 15663e3f37091069b8c98a7fce680dc04bc8e865 Mon Sep 17 00:00:00 2001 |
| From: sauwming <ming@teluu.com> |
| 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); |