High severity7.5NVD Advisory· Published Jan 13, 2020· Updated Jun 17, 2026
CVE-2020-6851
CVE-2020-6851
Description
OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
27- OpenJPEG/OpenJPEGdescription
- osv-coords23 versionspkg:rpm/opensuse/openjpeg2&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/openjpeg2&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/openjpeg2&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP2pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/openjpeg2&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/openjpeg2&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/openjpeg2&distro=SUSE%20Manager%20Server%204.1
< 2.3.0-150000.3.5.1+ 22 more
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
- (no CPE)range: < 2.3.0-150000.3.5.1
Patches
Vulnerability mechanics
References
10- www.oracle.com/security-alerts/cpujul2020.htmlnvdPatchThird Party Advisory
- github.com/uclouvain/openjpeg/issues/1228nvdExploitThird Party Advisory
- access.redhat.com/errata/RHSA-2020:0262nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2020:0274nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2020:0296nvdThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/01/msg00025.htmlnvdMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/07/msg00008.htmlnvdMailing ListThird Party Advisory
- www.debian.org/security/2021/dsa-4882nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LACIIDDCKZJEPKTTFILSOSBQL7L3FC6V/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XBRMI2D3XPVWKE3V52KRBW7BJVLS5LD3/nvd
News mentions
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