Bug#961993: gimp crashes on start up

[nbi]

Package: gimp
Version: 2.10.18-1
Severity: grave
Justification: renders package unusable

Dear Maintainer,

   * What led up to the situation?

gimp errors out on start up:

gimp: symbol lookup error: gimp: undefined symbol: gegl_rectangle_subtract

   * What exactly did you do (or not do) that was effective (or
     ineffective)?
   * What was the outcome of this action?
   * What outcome did you expect instead?



-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.19.9 (SMP w/8 CPU cores)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_WARN, TAINT_OOT_MODULE
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8), LANGUAGE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages gimp depends on:
ii  gimp-data            2.10.18-1
ii  libaa1               1.4p5-46+b1
ii  libbabl-0.1-0        1:0.1.74-dmo1
ii  libbz2-1.0           1.0.8-2
ii  libc6                2.30-8
ii  libcairo2            1.16.0-4
ii  libfontconfig1       2.13.1-4.2
ii  libfreetype6         2.10.1-2
ii  libgcc-s1            10.1.0-3
ii  libgdk-pixbuf2.0-0   2.40.0+dfsg-4
ii  libgegl-0.4-0        1:0.4.16-dmo1
ii  libgexiv2-2          0.10.9-1
ii  libgimp2.0           2.10.18-1
ii  libglib2.0-0         2.64.2-1
ii  libgs9               9.52~dfsg-1
ii  libgtk2.0-0          2.24.32-4
ii  libgudev-1.0-0       233-1
ii  libharfbuzz0b        2.6.4-1
ii  libheif1             1.6.1-1
ii  libilmbase24         2.3.0-6
ii  libjpeg62-turbo      1:1.5.2-2+b1
ii  libjson-glib-1.0-0   1.4.4-2
ii  liblcms2-2           2.9-4+b1
ii  liblzma5             5.2.4-1+b1
ii  libmng1              1.0.10+dfsg-3.1+b5
ii  libmypaint-1.5-1     1.6.0-1
ii  libopenexr24         2.3.0-6
ii  libopenjp2-7         2.3.1-1
ii  libpango-1.0-0       1.42.4-6
ii  libpangocairo-1.0-0  1.42.4-6
ii  libpangoft2-1.0-0    1.42.4-6
ii  libpng16-16          1.6.37-2
ii  libpoppler-glib8     0.71.0-6
ii  librsvg2-2           2.48.4+dfsg-1
ii  libstdc++6           10.1.0-3
ii  libtiff5             4.1.0+git191117-2
ii  libwebp6             0.6.1-2+b1
ii  libwebpdemux2        0.6.1-2+b1
ii  libwebpmux3          0.6.1-2+b1
ii  libwmf0.2-7          0.2.8.4-17
ii  libx11-6             2:1.6.9-2+b1
ii  libxcursor1          1:1.2.0-2
ii  libxext6             2:1.3.3-1+b2
ii  libxfixes3           1:5.0.3-2
ii  libxmu6              2:1.1.2-2+b3
ii  libxpm4              1:3.5.12-1
ii  xdg-utils            1.1.3-2
ii  zlib1g               1:1.2.11.dfsg-2

Versions of packages gimp recommends:
ii  ghostscript  9.52~dfsg-1

Versions of packages gimp suggests:
ii  gimp-data-extras          1:2.0.2-1
pn  gimp-help-en | gimp-help  <none>
ii  gvfs-backends             1.38.1-5
ii  libasound2                1.2.2-2.1

-- no debconf information