[ubuntu/focal-security] libwebp 0.6.1-2ubuntu0.20.04.1 (Accepted)

[Marc Deslauriers]

libwebp (0.6.1-2ubuntu0.20.04.1) focal-security; urgency=medium

  * SECURITY UPDATE: heap-based buffer overflow in GetLE16() and GetLE24()
    - debian/patches/CVE-2018-25009.patch: check data_size in
      src/mux/muxread.c.
    - CVE-2018-25009
    - CVE-2018-25012
  * SECURITY UPDATE: heap-based buffer overflow in ApplyFilter()
    - debian/patches/CVE-2018-25010.patch: limit the filter size in
      src/utils/quant_levels_dec_utils.c.
    - CVE-2018-25010
  * SECURITY UPDATE: heap-based buffer overflow in PutLE16()
    - debian/patches/CVE-2018-25011.patch: limit number of image chunks in
      src/mux/muxread.c.
    - CVE-2018-25011
  * SECURITY UPDATE: heap-based buffer overflow in ShiftBytes() and in
    ReadSymbol()
    - debian/patches/CVE-2018-25013_4.patch: wait for all threads to be
      done in DecodeRemaining in src/dec/idec_dec.c.
    - CVE-2018-25013
    - CVE-2018-25014
  * SECURITY UPDATE: heap-based buffer overflow in WebPDecode*Into functions
    - debian/patches/CVE-2020-36328.patch: fix buffer size check in
      src/dec/buffer_dec.c.
    - CVE-2020-36328
  * SECURITY UPDATE: use-after-free in EmitFancyRGB()
    - debian/patches/CVE-2020-36329.patch: fix thread race
      heap-use-after-free in src/dec/idec_dec.c.
    - CVE-2020-36329
  * SECURITY UPDATE: heap-based buffer overflow in ChunkVerifyAndAssign()
    - debian/patches/CVE-2020-36330.patch: fix riff size checks in
      src/mux/muxread.c.
    - CVE-2020-36330
  * SECURITY UPDATE: heap-based buffer overflow in ChunkAssignData()
    - debian/patches/CVE-2020-36331.patch: validate chunk_size in
      src/mux/muxi.h, src/mux/muxread.c.
    - CVE-2020-36331
  * SECURITY UPDATE: extreme memory allocation when reading a file
    - debian/patches/CVE-2020-36332-pre1.patch: limit memory allocation
      when reading invalid Huffman codes in src/dec/vp8l_dec.c.
    - debian/patches/CVE-2020-36332.patch: better handling of bogus Huffman
      codes in src/dec/vp8l_dec.c.
    - CVE-2020-36332

Date: 2021-05-20 15:40:19.050460+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/libwebp/0.6.1-2ubuntu0.20.04.1
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