| Name | CVE-2018-20650 |
| Description | A reachable Object::dictLookup assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to the lack of a check for the dict data type, as demonstrated by use of the FileSpec class (in FileSpec.cc) in pdfdetach. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1939-1, DLA-2440-1, DLA-3120-1 |
| Debian Bugs | 917974 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| poppler (PTS) | jessie, jessie (lts) | 0.26.5-2+deb8u16 | fixed |
| stretch (security) | 0.48.0-2+deb9u4 | fixed | |
| stretch (lts), stretch | 0.48.0-2+deb9u6 | fixed | |
| buster | 0.71.0-5 | vulnerable | |
| buster (security) | 0.71.0-5+deb10u3 | fixed | |
| bullseye (security), bullseye | 20.09.0-3.1+deb11u1 | fixed | |
| trixie, bookworm | 22.12.0-2 | fixed | |
| sid | 22.12.0-2.2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| poppler | source | experimental | 0.81.0-1 | |||
| poppler | source | wheezy | (unfixed) | end-of-life | ||
| poppler | source | jessie | 0.26.5-2+deb8u11 | DLA-1939-1 | ||
| poppler | source | stretch | 0.48.0-2+deb9u4 | DLA-2440-1 | ||
| poppler | source | buster | 0.71.0-5+deb10u1 | DLA-3120-1 | ||
| poppler | source | (unstable) | 0.85.0-2 | low | 917974 |
https://gitlab.freedesktop.org/poppler/poppler/commit/de0c0b8324e776f0b851485e0fc9622fc35695b7
https://gitlab.freedesktop.org/poppler/poppler/issues/704