CVE-2020-27844
highpriority · track · 31EPSS 0.014 · 72 %ileDEEURUUSEPSS · scored 2026-10-27
A flaw was found in openjpeg's src/lib/openjp2/t2.c in versions prior to 2.4.0. This flaw allows an attacker to provide crafted input to openjpeg during conversion and encoding, causing an out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (25)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-1880OpenJPEG: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit BenutzerrechtenDeutsch2020-12-29csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in OpenJPEG ausnutzen, um beliebigen Programmcode mit Benutzerrechten auszuführen.
- WID-SEC-W-2023-0122Oracle Supply Chain: Mehrere SchwachstellenDeutsch2023-01-17csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Oracle Supply Chain ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (21)
External citations — patches, advisories, analysis.
- https://bugzilla.redhat.com/show_bug.cgi?id=1907521cnnvd
- https://github.com/uclouvain/openjpeg/commit/73fdf28342e4594019af26eb6a347a34eceb6296Patchcnnvd
- https://lists.debian.org/debian-lts-announce/2021/02/msg00011.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-27844cnnvd
- https://packetstormsecurity.com/files/161130/Gentoo-Linux-Security-Advisory-202101-29.htmlcnnvd
- https://security.gentoo.org/glsa/202101-29cnnvd
- https://vigilance.fr/vulnerability/OpenJPEG-memory-corruption-via-t2-c-34513cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.0440cnnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan