CVE-2018-20847 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.
HighCVSS 8.8
EPSS 2.2%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/openjpeg2(Debian:12) | < 2.3.1-1 | 2.3.1-1 |
| debian/openjpeg2(Debian:13) | < 2.3.1-1 | 2.3.1-1 |
| debian/openjpeg2(Debian:14) | < 2.3.1-1 | 2.3.1-1 |
| uclouvain openjpeg | <= 2.3.0 | No fix listed |
| debian linux | = 8.0 | No fix listed |
| ubuntu/blender(Ubuntu:24.04) | All versions | No fix listed |
| ubuntu/emscripten(Ubuntu:24.04) | All versions | No fix listed |
| ubuntu/qtwebengine-opensource-src(Ubuntu:24.04) | All versions | No fix listed |
| ubuntu/texmaker(Ubuntu:24.04) | All versions | No fix listed |
| ubuntu/blender(Ubuntu:26.04) | All versions | No fix listed |
| ubuntu/emscripten(Ubuntu:26.04) | All versions | No fix listed |
| ubuntu/texmaker(Ubuntu:26.04) | All versions | No fix listed |
| ubuntu/qtwebengine-opensource-src(Ubuntu:26.04) | All versions | No fix listed |
| ubuntu/blender(Ubuntu:26.10) | All versions | No fix listed |
| ubuntu/emscripten(Ubuntu:26.10) | All versions | No fix listed |
| ubuntu/qtwebengine-opensource-src(Ubuntu:26.10) | All versions | No fix listed |
| ubuntu/texmaker(Ubuntu:26.10) | All versions | No fix listed |
| ubuntu/blender(Ubuntu:22.04) | All versions | No fix listed |
| ubuntu/emscripten(Ubuntu:22.04) | All versions | No fix listed |
| ubuntu/insighttoolkit4(Ubuntu:22.04) | All versions | No fix listed |
| ubuntu/qtwebengine-opensource-src(Ubuntu:22.04) | All versions | No fix listed |
| ubuntu/texmaker(Ubuntu:22.04) | All versions | No fix listed |
References
- Ubuntu CVE tracker vendor-advisory
- USN-4497-1 vendor-advisory
- www.cve.org
- Debian Security Tracker CVE-2018-20847 vendor-advisory
- 108921 broken-link third-party-advisory vdb-entry
- github.com patch
- github.com issue-tracking patch third-party-advisory
- github.com patch
- [debian-lts-announce] 20190710 [SECURITY] [DLA 1851-1] openjpeg2 security update issue-tracking mailing-list third-party-advisory
- bugs.debian.org issue-tracking