SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

HIGH 7.5EPSS 4.97%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
4.97% probability · 92th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
uclouvain/openjpeg · fedoraproject/fedora · debian/debian linux · redhat/enterprise linux · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server tus · redhat/enterprise linux workstation · oracle/georaster · oracle/outside in technology
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.