CVE-2020-6851
openjpeg2 - security update
7.5
HIGH
CVSS 3.1
EPSS 4.8%
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.
How to fix CVE-2020-6851
To remediate CVE-2020-6851, upgrade the affected package to a fixed version below.
- Alpine/openjpeg—upgrade to 2.3.1-r3 or later
- Debian/openjpeg2—upgrade to 2.4.0-1 or later
- —upgrade to 2.1.0-2+deb8u9 or later
Is CVE-2020-6851 being exploited?
Low — EPSS is 4.8%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.3.1-r3
- from 0, < 2.4.0-1
- from 0, < 2.1.0-2+deb8u9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |