Hmmm... Did I forget to put it to commit message? Well, OK.
Basically, the original URL was not valid for new release, so I put it to 
mirrors and added new working one.
I'll check download urls again and send v2 with updated commit message and or 
url changes.

Peter

> -----Original Message-----
> From: Ross Burton <[email protected]>
> Sent: Thursday, December 4, 2025 18:06
> To: Marko, Peter (FT D EU SK BFS1) <[email protected]>
> Cc: [email protected]
> Subject: Re: [OE-core][PATCH] libpng: upgrade 1.6.50 -> 1.6.51
> 
> Hi Peter,
> 
> The URLs all change, can you explain what happened?
> 
> Cheers,
> Ross
> 
> > On 27 Nov 2025, at 18:02, Peter Marko via lists.openembedded.org
> <[email protected]> wrote:
> >
> > From: Peter Marko <[email protected]>
> >
> > Handles CVE-2025-64505, CVE-2025-64506, CVE-2025-64720 and CVE-2025-
> 65018
> >
> > Relase notes [1]:
> > Version 1.6.51 [November 21, 2025]
> >  Fixed CVE-2025-64505 (moderate severity):
> >    Heap buffer overflow in `png_do_quantize` via malformed palette index.
> >    (Reported by Samsung; analyzed by Fabio Gritti.)
> >  Fixed CVE-2025-64506 (moderate severity):
> >    Heap buffer over-read in `png_write_image_8bit` with 8-bit input and
> >    `convert_to_8bit` enabled.
> >    (Reported by Samsung and <[email protected]>;
> >    analyzed by Fabio Gritti.)
> >  Fixed CVE-2025-64720 (high severity):
> >    Buffer overflow in `png_image_read_composite` via incorrect palette
> >    premultiplication.
> >    (Reported by Samsung; analyzed by John Bowler.)
> >  Fixed CVE-2025-65018 (high severity):
> >    Heap buffer overflow in `png_combine_row` triggered via
> >    `png_image_finish_read`.
> >    (Reported by <[email protected]>.)
> >  Fixed a memory leak in `png_set_quantize`.
> >    (Reported by Samsung; analyzed by Fabio Gritti.)
> >  Removed the experimental and incomplete ERROR_NUMBERS code.
> >    (Contributed by Tobias Stoeckmann.)
> >  Improved the RISC-V vector extension support; required RVV 1.0 or newer.
> >    (Contributed by Filip Wasil.)
> >  Added GitHub Actions workflows for automated testing.
> >  Performed various refactorings and cleanups.
> >
> > [1] https://github.com/pnggroup/libpng/blob/v1.6.51/CHANGES#L6281C1-
> L6305C47
> >
> > Signed-off-by: Peter Marko <[email protected]>
> > ---
> > .../libpng/{libpng_1.6.50.bb => libpng_1.6.51.bb}           | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> > rename meta/recipes-multimedia/libpng/{libpng_1.6.50.bb => libpng_1.6.51.bb}
> (89%)
> >
> > diff --git a/meta/recipes-multimedia/libpng/libpng_1.6.50.bb b/meta/recipes-
> multimedia/libpng/libpng_1.6.51.bb
> > similarity index 89%
> > rename from meta/recipes-multimedia/libpng/libpng_1.6.50.bb
> > rename to meta/recipes-multimedia/libpng/libpng_1.6.51.bb
> > index aa2dc99f10..8cfb914917 100644
> > --- a/meta/recipes-multimedia/libpng/libpng_1.6.50.bb
> > +++ b/meta/recipes-multimedia/libpng/libpng_1.6.51.bb
> > @@ -10,13 +10,13 @@ DEPENDS = "zlib"
> >
> > LIBV = "16"
> >
> > -SRC_URI =
> "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}${LIBV}/${BP}.tar.xz \
> > +SRC_URI =
> "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}${LIBV}/${PV}/${BP}.tar.xz \
> >            file://run-ptest \
> > "
> >
> > -SRC_URI[sha256sum] =
> "4df396518620a7aa3651443e87d1b2862e4e88cad135a8b93423e01706232307"
> > +SRC_URI[sha256sum] =
> "a050a892d3b4a7bb010c3a95c7301e49656d72a64f1fc709a90b8aded192bed2"
> >
> > -MIRRORS += "${SOURCEFORGE_MIRROR}/project/${BPN}/${BPN}${LIBV}/
> ${SOURCEFORGE_MIRROR}/project/${BPN}/${BPN}${LIBV}/older-releases/"
> > +MIRRORS += "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}${LIBV}/
> ${SOURCEFORGE_MIRROR}/project/${BPN}/${BPN}${LIBV}/
> ${SOURCEFORGE_MIRROR}/project/${BPN}/${BPN}${LIBV}/older-releases/"
> >
> > UPSTREAM_CHECK_URI = "http://libpng.org/pub/png/libpng.html";
> >
> >
> > 
> >

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