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27 lines
876 B
Diff
27 lines
876 B
Diff
From 15663e3f37091069b8c98a7fce680dc04bc8e865 Mon Sep 17 00:00:00 2001
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From: sauwming <ming@teluu.com>
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Date: Tue, 10 Aug 2021 11:53:25 +0800
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Subject: [PATCH] Merge pull request from GHSA-2qpg-f6wf-w984
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---
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pjnath/src/pjnath/stun_msg.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/pjnath/src/pjnath/stun_msg.c b/pjnath/src/pjnath/stun_msg.c
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index cd5870f82..bd83351e6 100644
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--- a/pjnath/src/pjnath/stun_msg.c
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+++ b/pjnath/src/pjnath/stun_msg.c
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@@ -1763,6 +1763,9 @@ static pj_status_t decode_errcode_attr(pj_pool_t *pool,
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/* Get pointer to the string in the message */
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value.ptr = ((char*)buf + ATTR_HDR_LEN + 4);
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value.slen = attr->hdr.length - 4;
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+ /* Make sure the length is never negative */
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+ if (value.slen < 0)
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+ value.slen = 0;
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/* Copy the string to the attribute */
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pj_strdup(pool, &attr->reason, &value);
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--
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2.25.1
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