JLSEC-2026-536

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 system availability...

JLSEC-2026-549

A vulnerability was found in OpenJPEG similar to CVE-2019-6988. This flaw allows an attacker to bypass existing protections and cause an application crash through a maliciously crafted file...

PT-2026-47099

jp2/opj decompress.c in OpenJPEG through 2.3.1 has a use-after-free that can be triggered if there is a mix of valid and invalid files in a directory operated on by the decompressor. Triggering a double-free may also be possible. This is related to calling opj image destroy twice...

PT-2026-47107

There's a flaw in src/lib/openjp2/pi.c of openjpeg in versions prior to 2.4.0. If an attacker is able to provide untrusted input to openjpeg's conversion/encoding functionality, they could cause an out-of-bounds read. The highest impact of this flaw is to application availability...

PT-2026-47108

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...

PT-2026-47103

There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability...

PT-2026-47109

Integer Overflow in OpenJPEG v2.4.0 allows remote attackers to crash the application, causing a Denial of Service DoS. This occurs when the attacker uses the command line option "-ImgDir" on a directory that contains 1048576 files...

PT-2026-47106

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...

PT-2026-47111

openjpeg v 2.5.0 was discovered to contain a NULL pointer dereference via the component /openjp2/dwt.c...

PT-2026-47102

A flaw was found in OpenJPEG’s encoder in the opj dwt calc explicit stepsizes function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability...

PT-2026-47110

A flaw was found in the opj2 decompress program in openjpeg2 2.4.0 in the way it handles an input directory with a large number of files. When it fails to allocate a buffer to store the filenames of the input directory, it calls free on an uninitialized pointer, leading to a segmentation fault an...

PT-2026-47112

OpenJPEG is an open-source JPEG 2000 codec. In OpenJPEG from 2.5.1 through 2.5.3, a call to opj jp2 read header may lead to OOB heap memory write when the data stream p stream is too short and p image is not initialized...

PT-2026-47101

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 system availability...

PT-2026-47104

There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest impact of this flaw is to application availability...

PT-2026-47105

A flaw was found in OpenJPEG in versions prior to 2.4.0. This flaw allows an attacker to provide specially crafted input to the conversion or encoding functionality, causing an out-of-bounds read. The highest threat from this vulnerability is system availability...

Debian dla-4593 : libopenjp2-7 - security update

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4593 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4593-1 [email protected] https://www.debian.org/lts/security/...

Unity Linux 20.1060e / 20.1070e Security Update: openjpeg (UTSA-2026-016638)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016638 advisory. Heap-based buffer overflow in the JPEG2000 image tile decoder in OpenJPEG before 1.5.2 allows remote attackers to cause a denial of service application crash or...

Astra Linux - уязвимость в openjpeg2

There is a flaw in openjpeg in versions prior to 2.4.0, located in src/lib/openjp2/pi.c. When an attacker can provide crafted input that is processed by the openjpeg encoder, it may lead to an out-of-bounds read. The most significant impact of this flaw is the application’s availability...

Unity Linux 20.1060e / 20.1070e Security Update: openjpeg2 (UTSA-2026-017604)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017604 advisory. Integer Overflow in OpenJPEG v2.4.0 allows remote attackers to crash the application, causing a Denial of Service DoS. This occurs when the attacker uses the command...

Unity Linux 20.1060e / 20.1070e Security Update: openjpeg2 (UTSA-2026-017606)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017606 advisory. There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg...