01 Record

CVE-2020-6851

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.

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 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.

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 4.97% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 91.4% of scored records. A rank, not a probability.
NVD base score: 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2020-01-13 05:02Z6 YR AGO

Last updated

2024-08-04 09:11Z2 YR AGO

Reserved

2020-01-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-787Out-of-bounds WriteBase
CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

c282c305713259c17bc84b3ca02c5efcf512ffa5539368d7433053ea1b7046f6

05 Affected products

VendorProductVersionsPlatforms

debiandebian_linuxNot specified—

fedoraprojectfedoraNot specified—

oraclegeorasterNot specified—

oracleoutside_in_technologyNot specified—

redhatenterprise_linuxNot specified—

redhatenterprise_linux_desktopNot specified—

redhatenterprise_linux_eusNot specified—

redhatenterprise_linux_serverNot specified—

redhatenterprise_linux_server_ausNot specified—

redhatenterprise_linux_server_tusNot specified—

redhatenterprise_linux_workstationNot specified—

redhatrhel_e4sNot specified—

uclouvainopenjpegNot specified—

06 References

lists.debian.org[debian-lts-announce] 20200128 [SECURITY] [DLA 2081-1] openjpeg2 security updatehttps://lists.debian.org/debian-lts-announce/2020/01/msg00025.htmlmailing-listx_refsource_MLIST
access.redhat.comRHSA-2020:0262https://access.redhat.com/errata/RHSA-2020:0262vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2020:0274https://access.redhat.com/errata/RHSA-2020:0274vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2020:0296https://access.redhat.com/errata/RHSA-2020:0296vendor-advisoryx_refsource_REDHAT
lists.fedoraproject.orgFEDORA-2020-ab8553f302https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XBRMI2D3XPVWKE3V52KRBW7BJVLS5LD3/vendor-advisoryx_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2020-6c8804daaahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LACIIDDCKZJEPKTTFILSOSBQL7L3FC6V/vendor-advisoryx_refsource_FEDORA
lists.debian.org[debian-lts-announce] 20200710 [SECURITY] [DLA 2277-1] openjpeg2 security updatehttps://lists.debian.org/debian-lts-announce/2020/07/msg00008.htmlmailing-listx_refsource_MLIST
www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2020.htmlx_refsource_MISC
github.comhttps://github.com/uclouvain/openjpeg/issues/1228x_refsource_MISC
www.debian.orgDSA-4882https://www.debian.org/security/2021/dsa-4882vendor-advisoryx_refsource_DEBIAN

01 Record index

CVE-2020-6851

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2020-6851

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References