Hello,

On Sat Feb 21, 2026 at 2:05 AM CET, Livin Sunny via lists.openembedded.org 
wrote:
>
> This patch addresses CVE-2025-60876[1], which allows malicious URLs to inject
> HTTP headers. It has been accepted by Debian[2] and is tracked here [4].
> The upstream fix has been submitted [3] and is pending merge.
>
> [1] https://nvd.nist.gov/vuln/detail/CVE-2025-60876
> [2] https://bugs.debian.org/1120795
> [3] https://lists.busybox.net/pipermail/busybox/2025-November/091840.html
> [4] https://security-tracker.debian.org/tracker/CVE-2025-60876

Thank for the patch.

CVE-2025-60876 also impacts master and whinlatter. Please send a patch
to master and, then, request a backport for stable branches.
>
> Signed-off-by: Livin Sunny <[email protected]>
> ---
> Changes in v2:
>     - Updated the commit message to include details from debian.
>     - Updated the upstream status to submitted.
> ---
>  ...control-chars-in-URLs-CVE-2025-60876.patch | 42 +++++++++++++++++++
>  meta/recipes-core/busybox/busybox_1.36.1.bb   |  1 +
>  2 files changed, 43 insertions(+)
>  create mode 100644 
> meta/recipes-core/busybox/busybox/wget-disallow-control-chars-in-URLs-CVE-2025-60876.patch
>
> diff --git 
> a/meta/recipes-core/busybox/busybox/wget-disallow-control-chars-in-URLs-CVE-2025-60876.patch
>  
> b/meta/recipes-core/busybox/busybox/wget-disallow-control-chars-in-URLs-CVE-2025-60876.patch
> new file mode 100644
> index 0000000000..aafd0ec60b
> --- /dev/null
> +++ 
> b/meta/recipes-core/busybox/busybox/wget-disallow-control-chars-in-URLs-CVE-2025-60876.patch
> @@ -0,0 +1,42 @@
> +From: Radoslav Kolev <[email protected]>
> +Date: Fri, 21 Nov 2025 11:21:18 +0200
> +Subject: wget: don't allow control characters or spaces in the URL
> +Bug-Debian: https://bugs.debian.org/1120795
> +
> +Fixes CVE-2025-60876 malicious URL can be used to inject
> +HTTP headers in the request.
> +
> +Signed-off-by: Radoslav Kolev <[email protected]>
> +Reviewed-by: Emmanuel Deloget <[email protected]>
> +
> +Upstream-Status: Submitted 
> [https://lists.busybox.net/pipermail/busybox/2025-November/091840.html]
> +
> +CVE: CVE-2025-60876
> +
> +Signed-off-by: Livin Sunny <[email protected]>
> +---
> + networking/wget.c | 9 +++++++++
> + 1 file changed, 9 insertions(+)
> +
> +diff --git a/networking/wget.c b/networking/wget.c
> +index ec3767793..fa555427b 100644
> +--- a/networking/wget.c
> ++++ b/networking/wget.c
> +@@ -536,6 +536,15 @@ static void parse_url(const char *src_url, struct 
> host_info *h)
> + {
> +     char *url, *p, *sp;
> +
> ++    /* Fix for CVE-2025-60876 - don't allow control characters or spaces in 
> the URL */
> ++    /* otherwise a malicious URL can be used to inject HTTP headers in the 
> request */
> ++    const unsigned char *u = (void *) src_url;
> ++    while (*u) {
> ++            if (*u <= ' ')
> ++                    bb_simple_error_msg_and_die("Unencoded control 
> character found in the URL!");
> ++            u++;
> ++    }
> ++
> +     free(h->allocated);
> +     h->allocated = url = xstrdup(src_url);
> +
> +--
> +2.47.3
> diff --git a/meta/recipes-core/busybox/busybox_1.36.1.bb 
> b/meta/recipes-core/busybox/busybox_1.36.1.bb
> index d3f259d45b..b7a8ad2ed5 100644
> --- a/meta/recipes-core/busybox/busybox_1.36.1.bb
> +++ b/meta/recipes-core/busybox/busybox_1.36.1.bb
> @@ -61,6 +61,7 @@ SRC_URI = 
> "https://busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
>             file://CVE-2023-39810.patch \
>             file://CVE-2025-46394-01.patch \
>             file://CVE-2025-46394-02.patch \
> +           file://wget-disallow-control-chars-in-URLs-CVE-2025-60876.patch \
As a matter of conventions, name this file CVE-2025-60876.patch.

>             "
>  SRC_URI:append:libc-musl = " file://musl.cfg "
>  # TODO http://lists.busybox.net/pipermail/busybox/2023-January/090078.html
> --
> 2.53.0

Regards,
-- 
Yoann Congal
Smile ECS

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