diff mbox series

[wrynose] curl: fix CVE-2026-92389

Message ID 20261030095124.32916-1-adarsh.jagadish.kamini@est.tech
State New
Headers show
Series [wrynose] curl: fix CVE-2026-92389 | expand

Commit Message

Adarsh Jagadish Kamini Oct. 30, 2026, 9:51 a.m. UTC 
Backport patch to fix CVE-2026-92389.

References:
  https://nvd.nist.gov/vuln/detail/CVE-2026-92389

Upstream fix:
  https://github.com/curl/curl/commit/63dd390fab905a239a97e270

Tested with ptest:
Before: PASSED: 1006, FAILED: 0, SKIPPED: 0, ABORTED: 0
After: PASSED: 1006, FAILED: 0, SKIPPED: 0, ABORTED: 0

Signed-off-by: Adarsh Jagadish Kamini <adarsh.jagadish.kamini@est.tech>
---
 .../curl/curl/CVE-2026-92389.patch            | 53 +++++++++++++++++++
 meta/recipes-support/curl/curl_8.19.0.bb      |  1 +
 2 files changed, 54 insertions(+)
 create mode 100644 meta/recipes-support/curl/curl/CVE-2026-92389.patch
diff mbox series

Patch

diff --git a/meta/recipes-support/curl/curl/CVE-2026-92389.patch b/meta/recipes-support/curl/curl/CVE-2026-92389.patch
new file mode 100644
index 0000000000..012b746e0c
--- /dev/null
+++ b/meta/recipes-support/curl/curl/CVE-2026-92389.patch
@@ -0,0 +1,53 @@ 
+From f39da43ecdf06680a851ab00f3cace9ce8b90afb Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Wed, 16 Sep 2026 23:46:44 +0200
+Subject: [PATCH] tftp: verify direction in a few places
+
+Closes #22974
+
+CVE: CVE-2026-92389
+Upstream-Status: Backport [https://github.com/curl/curl/commit/63dd390fab905a239a97e270]
+
+Signed-off-by: Adarsh Jagadish Kamini <adarsh.jagadish.kamini@est.tech>
+---
+ lib/tftp.c | 9 +++++++++
+ 1 file changed, 9 insertions(+)
+
+diff --git a/lib/tftp.c b/lib/tftp.c
+index cc0769bbb3..fca77b71cc 100644
+--- a/lib/tftp.c
++++ b/lib/tftp.c
+@@ -361,6 +361,9 @@ static CURLcode tftp_tx(struct tftp_conn *state, tftp_event_t event)
+   char *bufptr;
+   bool eos;
+ 
++  if(!data->state.upload)
++    return CURLE_TFTP_ILLEGAL;
++
+   switch(event) {
+ 
+   case TFTP_EVENT_ACK:
+@@ -768,10 +771,14 @@ static CURLcode tftp_send_first(struct tftp_conn *state,
+     break;
+ 
+   case TFTP_EVENT_ACK: /* Connected for transmit */
++    if(!data->state.upload)
++      return CURLE_TFTP_ILLEGAL;
+     result = tftp_connect_for_tx(state, event);
+     break;
+ 
+   case TFTP_EVENT_DATA: /* Connected for receive */
++    if(data->state.upload)
++      return CURLE_TFTP_ILLEGAL;
+     result = tftp_connect_for_rx(state, event);
+     break;
+ 
+@@ -1074,6 +1081,8 @@ static CURLcode tftp_receive_packet(struct Curl_easy *data,
+ 
+     switch(state->event) {
+     case TFTP_EVENT_DATA:
++      if(data->state.upload)
++        return CURLE_TFTP_ILLEGAL;
+       /* Do not pass to the client empty or retransmitted packets */
+       if(state->rbytes > 4 &&
+          (NEXT_BLOCKNUM(state->block) == getrpacketblock(&state->rpacket))) {
diff --git a/meta/recipes-support/curl/curl_8.19.0.bb b/meta/recipes-support/curl/curl_8.19.0.bb
index 850ca7dc3f..722f8a578b 100644
--- a/meta/recipes-support/curl/curl_8.19.0.bb
+++ b/meta/recipes-support/curl/curl_8.19.0.bb
@@ -42,6 +42,7 @@  SRC_URI = "https://curl.se/download/${BP}.tar.xz \
            file://CVE-2026-87864.patch \
            file://CVE-2026-92388-1.patch \
            file://CVE-2026-92388-2.patch \
+           file://CVE-2026-92389.patch \
            "
 
 SRC_URI:append:class-nativesdk = " \