| Name | CVE-2018-20349 |
| Description | The igraph_i_strdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows attackers to cause a denial of service (application crash) via a crafted object. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-2055-1 |
| NVD severity | medium |
| Debian Bugs | 917211, 917212 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| igraph (PTS) | jessie | 0.7.1-2 | vulnerable |
| jessie (security) | 0.7.1-2+deb8u1 | fixed | |
| stretch | 0.7.1-2.1+deb9u1 | fixed | |
| bullseye, sid, buster | 0.7.1-4 | fixed | |
| r-cran-igraph (PTS) | stretch | 1.0.1-1+deb9u1 | fixed |
| buster | 1.2.3-1 | fixed | |
| bullseye, sid | 1.2.4.2-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| igraph | source | (unstable) | 0.7.1-3 | 917211 | ||
| igraph | source | jessie | 0.7.1-2+deb8u1 | DLA-2055-1 | ||
| igraph | source | stretch | 0.7.1-2.1+deb9u1 | |||
| r-cran-igraph | source | (unstable) | 1.2.2-2 | 917212 | ||
| r-cran-igraph | source | stretch | 1.0.1-1+deb9u1 |
https://github.com/igraph/igraph/issues/1141
Fixed by: https://github.com/igraph/igraph/commit/e3a9566e6463186230f215151b57b893df6d9ce2