[ubuntu/questing-security] libpng1.6 1.6.50-1ubuntu0.1 (Accepted)

[Nishit Majithia]

libpng1.6 (1.6.50-1ubuntu0.1) questing-security; urgency=medium

  * SECURITY UPDATE: buffer overflow issue
    - debian/patches/CVE-2025-64505.patch: Fix a buffer overflow in
      png_do_quantize
    - debian/patches/CVE-2025-64506.patch: Fix a heap buffer overflow in
      png_write_image_8bit
    - debian/patches/CVE-2025-64720.patch: Fix a buffer overflow in
      png_init_read_transformations
    - debian/patches/CVE-2025-65018.patch: Fix a heap buffer overflow in
      png_image_finish_read
    - CVE-2025-64505
    - CVE-2025-64506
    - CVE-2025-64720
    - CVE-2025-65018

Date: 2025-12-10 05:11:13.353691+00:00
Changed-By: Nishit Majithia <nishit.majithia at canonical.com>
https://launchpad.net/ubuntu/+source/libpng1.6/1.6.50-1ubuntu0.1
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