On Fri Sep 4, 2026 at 11:00 AM CEST, Devansh Patel via lists.openembedded.org 
wrote:
> From: Devansh Patel <[email protected]>
>
> This patch applies the upstream fix as referenced in [2], using the
> commit shown in [1].
>
> [1] 
> https://github.com/curl/curl/commit/a86efdd7ca5433de9231e650f18247de8319ad16
> [2] https://curl.se/docs/CVE-2026-8286.html
>
> Signed-off-by: Devansh Patel <[email protected]>
> ---
>  .../curl/curl/CVE-2026-8286.patch             | 60 +++++++++++++++++++
>  meta/recipes-support/curl/curl_8.7.1.bb       |  1 +
>  2 files changed, 61 insertions(+)
>  create mode 100644 meta/recipes-support/curl/curl/CVE-2026-8286.patch
>
> diff --git a/meta/recipes-support/curl/curl/CVE-2026-8286.patch 
> b/meta/recipes-support/curl/curl/CVE-2026-8286.patch
> new file mode 100644
> index 0000000000..ec2f6165c3
> --- /dev/null
> +++ b/meta/recipes-support/curl/curl/CVE-2026-8286.patch
> @@ -0,0 +1,60 @@
> +From 471592386ff977dfd3e2de107b8f81dfc1d3d030 Mon Sep 17 00:00:00 2001
> +From: Stefan Eissing <[email protected]>
> +Date: Thu, 7 May 2026 10:30:07 +0200
> +Subject: [PATCH] url: fix connection reuse for starttls protocols
> +
> +When a connection is tested for reuse in a transfer that *may* upgrade
> +to TLS (commonly via STARTTLS), the SSL configuration must match the
> +existing connection.
> +
> +Reported-by: Andrew Nesbit
> +Closes #21522
> +
> +CVE: CVE-2026-8286
> +Upstream-Status: Backport 
> [https://github.com/curl/curl/commit/a86efdd7ca5433de9231e650f18247de8319ad16]
> +
> +Backport Changes:
> +- curl 8.7.1 predates the url_conn_match refactor. Carry the upstream may-TLS
> +  and require-TLS distinction in ConnectionExists() and preserve the upstream
> +  TLS configuration matching behavior.
> +
> +(cherry picked from commit a86efdd7ca5433de9231e650f18247de8319ad16)
> +Signed-off-by: Devansh Patel <[email protected]>
> +---
> + lib/url.c | 9 +++++----
> + 1 file changed, 5 insertions(+), 4 deletions(-)
> +

Hello,

This patch and the other ones in the series have formating issues:

> +diff --git a/lib/url.c b/lib/url.c
> +index dfcd6f4841..9e1ca0336c 100644
> +--- a/lib/url.c
> ++++ b/lib/url.c
> +@@ -935,7 +935,8 @@ ConnectionExists(struct Curl_easy *data,
> +   /* plain HTTP with upgrade */
> +   bool h2upgrade = (data->state.httpwant == CURL_HTTP_VERSION_2_0) &&
> +     (needle->handler->protocol & CURLPROTO_HTTP);
> +-  bool req_tls = data->set.use_ssl >= CURLUSESSL_CONTROL;
> ++  bool require_tls = data->set.use_ssl >= CURLUSESSL_CONTROL;
> ++  bool may_tls = data->set.use_ssl > CURLUSESSL_NONE;
> +
   ^ For exemple, here it lacks a space to mark context.

If you use interdiff to compare the upstream patch and yours, it is
quite noticeable.

Can you send a v2 with those fixed?

Thanks!
-- 
Yoann Congal
Smile ECS

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