httpd/httpd-2.4.63-CVE-2026-34059.patch
2026-05-27 19:21:37 -04:00

33 lines
1.2 KiB
Diff

From a3d32288317a87b1398825f2167e0ae083ed43da Mon Sep 17 00:00:00 2001
From: Eric Covener <covener@apache.org>
Date: Sun, 26 Apr 2026 15:55:26 +0000
Subject: [PATCH] Merge r1933344 from trunk:
fix ajp_parse_data message len check
+lognos
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1933346 13f79535-47bb-0310-9956-ffa450edef68
---
modules/proxy/ajp_header.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/modules/proxy/ajp_header.c b/modules/proxy/ajp_header.c
index 00db324e426..334d0aebb12 100644
--- a/modules/proxy/ajp_header.c
+++ b/modules/proxy/ajp_header.c
@@ -835,6 +835,11 @@ apr_status_t ajp_parse_data(request_rec *r, ajp_msg_t *msg,
* 1 : The last byte of this message always seems to be
* 0x00 and is not part of the chunk.
*/
+ if (msg->len < AJP_HEADER_LEN + AJP_HEADER_SZ_LEN + 1 + 1) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(10546)
+ "ajp_parse_data: Message too small");
+ return AJP_EBAD_HEADER;
+ }
expected_len = msg->len - (AJP_HEADER_LEN + AJP_HEADER_SZ_LEN + 1 + 1);
if (*len != expected_len) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00998)