libpoppler.so in Poppler through 24.12.0 has an out-of-bounds read vulnerability within the JBIG2Bitmap::combine function in JBIG2Stream.cc.
References
- https://gitlab.freedesktop.org/poppler/poppler/-/blob/30eada0d2bceb42c2d2a87361339063e0b9bea50/CMakeLists.txt#L621
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/ade9b5ebed44b0c15522c27669ef6cdf93eff84e
- https://gitlab.freedesktop.org/poppler/poppler/-/issues/1553
- https://lists.debian.org/debian-lts-announce/2025/04/msg00037.html