Buffer overflow in Uclouvain Openjpeg
CVE-2020-27823
A flaw was found in OpenJPEG’s encoder. This flaw allows an attacker to pass specially crafted x,y offset input to OpenJPEG to use during encoding. The highest threat from this vulnerability is to confidentiality, integrity, as well as sys…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.011 (62.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Uclouvain Openjpeg
- Debian Debian_linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 32, 33
- N/a Openjpeg — versions openjpeg 2.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2020-27823?
- CVE-2020-27823 is a high-severity vulnerability in Uclouvain Openjpeg, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2021-05-13.
- How severe is CVE-2020-27823?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-27823 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.