High severity8.8NVD Advisory· Published Jun 26, 2019· Updated Jun 17, 2026
CVE-2018-20847
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6- OpenJPEG/OpenJPEGdescription
- osv-coords4 versionspkg:rpm/almalinux/openjpeg2pkg:rpm/almalinux/openjpeg2-develpkg:rpm/almalinux/openjpeg2-devel-docspkg:rpm/almalinux/openjpeg2-tools
< 2.4.0-4.el8+ 3 more
- (no CPE)range: < 2.4.0-4.el8
- (no CPE)range: < 2.4.0-4.el8
- (no CPE)range: < 2.4.0-4.el8
- (no CPE)range: < 2.4.0-4.el8
Patches
Vulnerability mechanics
References
5- github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949nvdPatch
- github.com/uclouvain/openjpeg/issues/431nvdIssue TrackingPatchThird Party Advisory
- github.com/uclouvain/openjpeg/pull/1168/commits/c58df149900df862806d0e892859b41115875845nvdPatch
- www.securityfocus.com/bid/108921nvdBroken LinkThird Party AdvisoryVDB Entry
- lists.debian.org/debian-lts-announce/2019/07/msg00010.htmlnvdIssue TrackingThird Party Advisory
News mentions
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