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-2026-47102

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...

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 – Vulnerability in openjpeg2

A flaw was discovered in OpenJPEG’s encoder. This flaw allows an attacker to provide specially crafted x,y offset inputs to OpenJPEG during encoding. The greatest threat of this vulnerability is to confidentiality, integrity, and system availability...

Astra Linux – Vulnerability in openjpeg2

There is a flaw in OpenJPEG’s T2 encoder in versions prior to 2.4.0. An attacker who can provide crafted input for OpenJPEG to process may cause a null pointer dereferencing. The most significant impact of this flaw is the availability of the application...

Astra Linux – Vulnerability in openjpeg2

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

Astra Linux – Vulnerability in openjpeg2

OpenJPEG version 2.3.1 has a heap-based buffer overflow issue in the opjt1clbldecodeprocessor function in openjp2/t1.c, due to the lack of validation for the opjj2kupdateimagedimensions function...

Astra Linux – Vulnerability in openjpeg2

In OpenJPEG version 2.3.1, the jp2/opjdecompress.c file contains a use-after-free issue. This issue can occur if there is a mix of valid and invalid files in a directory that is processed by the decompressor. It is also possible for a double free to occur. This issue is related to calling...

Astra Linux – Vulnerability in openjpeg2

A flaw was discovered in OpenJPEG’s encoder, specifically in the opjdwtcalcexplicitstepsizes function. This flaw allows an attacker who can provide crafted inputs for the decomposition levels to cause a buffer overflow. The greatest threat of this vulnerability is to system availability...

Astra Linux – Vulnerability in openjpeg2

A flaw was discovered in the opj2decompress program within openjpeg2 2.4.0, particularly in its handling of an input directory containing 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, resulting...

Astra Linux – Vulnerability in 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...

Astra Linux – Vulnerability in openjpeg2

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

Astra Linux – Vulnerability in openjpeg2

In OpenJPEG 2.3.1 through 2020-01-28, opjt1clbldecodeprocessor in openjp2/t1.c has a heap-based buffer overflow in the qmfbid==1 case. This is a different issue than CVE-2020-6851...

Astra Linux – Vulnerability in openjpeg2

A flaw was discovered 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, resulting in an out-of-bounds read. The greatest threat from this vulnerability is system availability...

Astra Linux – Vulnerability in openjpeg2

In OpenJPEG 2.3.1, there is excessive iteration in the opjt1encodecblks function of openjp2/t1.c. Remote attackers could exploit this vulnerability to cause a denial of service by using a crafted BMP file. This issue is similar to CVE-2018-6616...

Unity Linux 20.1060e / 20.1070e Security Update: openjpeg2 (UTSA-2026-017599)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017599 advisory. 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...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : OpenJPEG vulnerability (USN-8252-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8252-1 advisory. It was discovered that OpenJPEG did not properly handle memory when encoding image files. An attacker could use this issue to caus...

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-2026-017601)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017601 advisory. 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,...