| Name | CVE-2018-20847 |
| Description | An improper computation of p_tx0, p_tx1, p_ty0 and p_ty1 in the function opj_get_encoding_parameters in openjp2/pi.c in OpenJPEG through 2.3.0 can lead to an integer overflow. |
| 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-1851-1 |
| Debian Bugs | 931294 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| openjpeg2 (PTS) | bullseye | 2.4.0-3 | fixed |
| trixie, sid, bookworm | 2.5.0-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| openjpeg2 | source | jessie | 2.1.0-2+deb8u7 | DLA-1851-1 | ||
| openjpeg2 | source | stretch | 2.1.2-1.1+deb9u4 | |||
| openjpeg2 | source | buster | 2.3.0-2+deb10u1 | |||
| openjpeg2 | source | (unstable) | 2.3.1-1 | low | 931294 |
https://github.com/uclouvain/openjpeg/issues/431
https://github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949
https://github.com/uclouvain/openjpeg/commit/2d24b6000d5611615e3e6d799e20d5fdbe4e2a1e
https://github.com/uclouvain/openjpeg/commit/c58df149900df862806d0e892859b41115875845