File CVE-2024-25629.patch of Package c-ares.32784

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File CVE-2024-25629.patch of Package c-ares.32784

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From a804c04ddc8245fc8adf0e92368709639125e183 Mon Sep 17 00:00:00 2001
From: Brad House <brad@brad-house.com>
Date: Thu, 22 Feb 2024 16:23:33 -0500
Subject: [PATCH] Merge pull request from GHSA-mg26-v6qh-x48q

---
 src/lib/ares__read_line.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Index: c-ares-1.19.1/src/lib/ares__read_line.c
===================================================================
--- c-ares-1.19.1.orig/src/lib/ares__read_line.c
+++ c-ares-1.19.1/src/lib/ares__read_line.c
@@ -49,6 +49,12 @@ int ares__read_line(FILE *fp, char **buf
       if (!fgets(*buf + offset, bytestoread, fp))
         return (offset != 0) ? 0 : (ferror(fp)) ? ARES_EFILE : ARES_EOF;
       len = offset + strlen(*buf + offset);
+      /* Probably means there was an embedded NULL as the first character in
+       * the line, throw away line */
+      if (len == 0) {
+        offset = 0;
+        continue;
+      }
       if ((*buf)[len - 1] == '\n')
         {
           (*buf)[len - 1] = 0;

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File CVE-2024-25629.patch of Package c-ares.32784

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