[CLSA-2026:1791824192] Fix CVE(s): CVE-2026-46675
Type:
security
Severity:
Important
Release date:
2026-10-12 16:56:43 UTC
Description:
* SECURITY UPDATE: use-after-free through stale zstream pointers - debian/patches/CVE-2026-46675.patch: add png_inflate_detach_buffers to clear the zstream input and output pointers and counters, and call it on claim in png_inflate_claim and on release in png_decompress_chunk, png_handle_iCCP and png_read_finish_IDAT (pngrutil.c), so that png_read_end called before row reading no longer inflates through a stale next_in into a freed buffer - CVE-2026-46675
CVEs fixed:
Updated packages:
  • libpng-dev_1.6.37-2+tuxcare.els6_amd64.deb
    sha:42a9af174963d2d7ba832b9498f2123d53f3712a
  • libpng-tools_1.6.37-2+tuxcare.els6_amd64.deb
    sha:4ea2188e5e48c4f87d20ffef8de7633a2e6e24fc
  • libpng16-16_1.6.37-2+tuxcare.els6_amd64.deb
    sha:d4acc38dace8994c91b583ab3e48b4f5365183bb
  • libpng-dev_1.6.37-2+tuxcare.els6_arm64.deb
    sha:0aff140800c8ae4725d7d8a1d9a41911bf311cac
  • libpng-tools_1.6.37-2+tuxcare.els6_arm64.deb
    sha:4f732a77a1dfcaeee57e6d1725644f5157436302
  • libpng16-16_1.6.37-2+tuxcare.els6_arm64.deb
    sha:895ff07a0b6c30f00902d6dff0e0ffce9c1543cf
Notes:
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