| Name | CVE-2020-36277 |
| Description | Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c. |
| 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-2612-1 |
| Debian Bugs | 985089 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| leptonlib (PTS) | stretch | 1.74.1-1 | vulnerable |
| stretch (security) | 1.74.1-1+deb9u1 | fixed | |
| buster | 1.76.0-1+deb10u1 | fixed | |
| bullseye | 1.79.0-1.1 | fixed | |
| bookworm, sid | 1.82.0-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| leptonlib | source | stretch | 1.74.1-1+deb9u1 | DLA-2612-1 | ||
| leptonlib | source | buster | 1.76.0-1+deb10u1 | |||
| leptonlib | source | (unstable) | 1.79.0-1.1 | 985089 |
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21997
https://github.com/DanBloomberg/leptonica/pull/499