UclouvainCVEs & Vulnerabilities

82 CVEs affecting Uclouvain products, tracked from the National Vulnerability Database, with CVSS/EPSS scores and exploitation status.

Most Affected Products

openjpeg 99
CVE-2025-50952MEDIUM

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

7 Aug 2025
6.5
CVSS
CVE-2025-54874CRITICAL

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.

5 Aug 2025
9.8
CVSS
CVE-2023-39329MEDIUM

A flaw was found in OpenJPEG. A resource exhaustion can occur in the opj_t1_decode_cblks function in tcd.c through a crafted image file, causing a denial of service.

13 Jul 2024
6.5
CVSS
CVE-2023-39327MEDIUM

A flaw was found in OpenJPEG. Maliciously constructed pictures can cause the program to enter a large loop and continuously print warning messages on the terminal.

13 Jul 2024
4.3
CVSS
CVE-2023-39328MEDIUM

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.

9 Jul 2024
5.5
CVSS
CVE-2022-1122MEDIUM

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 and a denial of service.

29 Mar 2022
5.5
CVSS
CVE-2021-3575HIGH

A heap-based buffer overflow was found in openjpeg in color.c:379:42 in sycc420_to_rgb when decompressing a crafted .j2k file. An attacker could use this to execute arbitrary code with the permissions of the application compiled against openjpeg.

4 Mar 2022
7.8
CVSS
CVE-2020-27823HIGH

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.

13 May 2021
7.8
CVSS
CVE-2020-27824MEDIUM

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.

13 May 2021
5.5
CVSS
CVE-2021-29338MEDIUM

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.

14 Apr 2021
5.5
CVSS
CVE-2020-27814HIGH

A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw to cause an application crash or in some cases execute arbitrary code with the permission of the user running such an application.

26 Jan 2021
7.8
CVSS
CVE-2020-27845MEDIUM

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.

5 Jan 2021
5.5
CVSS
CVE-2020-27844HIGH

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.

5 Jan 2021
7.8
CVSS
CVE-2020-27843MEDIUM

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.

5 Jan 2021
5.5
CVSS
CVE-2020-27842MEDIUM

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.

5 Jan 2021
5.5
CVSS
CVE-2020-27841MEDIUM

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.

5 Jan 2021
5.5
CVSS
CVE-2020-15389MEDIUM

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.

30 Jun 2020
6.5
CVSS
CVE-2016-3182MEDIUM

The color_esycc_to_rgb function in bin/common/color.c in OpenJPEG before 2.1.1 allows attackers to cause a denial of service (memory corruption) via a crafted jpeg 2000 file.

20 Feb 2020
5.5
CVSS
CVE-2020-8112HIGH

opj_t1_clbl_decode_processor in openjp2/t1.c in OpenJPEG 2.3.1 through 2020-01-28 has a heap-based buffer overflow in the qmfbid==1 case, a different issue than CVE-2020-6851.

28 Jan 2020
8.8
CVSS
CVE-2020-6851HIGH

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.

13 Jan 2020
7.5
CVSS
CVE-2018-21010HIGH

OpenJPEG before 2.3.1 has a heap buffer overflow in color_apply_icc_profile in bin/common/color.c.

5 Sep 2019
8.8
CVSS
CVE-2019-12973MEDIUM

In OpenJPEG 2.3.1, there is excessive iteration in the opj_t1_encode_cblks function of openjp2/t1.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file. This issue is similar to CVE-2018-6616.

26 Jun 2019
5.5
CVSS
CVE-2018-20847HIGH

An improper computation of p_tx0, p_tx1, p_ty0 and p_ty1 in the function opj_get_encoding_parameters in openjp2/pi.c in OpenJPEG through 2.3.0 can lead to an integer overflow.

26 Jun 2019
8.8
CVSS
CVE-2018-20846MEDIUM

Out-of-bounds accesses in the functions pi_next_lrcp, pi_next_rlcp, pi_next_rpcl, pi_next_pcrl, pi_next_rpcl, and pi_next_cprl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).

26 Jun 2019
6.5
CVSS
CVE-2018-20845MEDIUM

Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).

26 Jun 2019
6.5
CVSS
CVE-2019-6988MEDIUM

An issue was discovered in OpenJPEG 2.3.0. It allows remote attackers to cause a denial of service (attempted excessive memory allocation) in opj_calloc in openjp2/opj_malloc.c, when called from opj_tcd_init_tile in openjp2/tcd.c, as demonstrated by the 64-bit opj_decompress.

28 Jan 2019
6.5
CVSS
CVE-2018-18088MEDIUM

OpenJPEG 2.3.0 has a NULL pointer dereference for "red" in the imagetopnm function of jp2/convert.c

9 Oct 2018
6.5
CVSS
CVE-2018-16376HIGH

An issue was discovered in OpenJPEG 2.3.0. A heap-based buffer overflow was discovered in the function t2_encode_packet in lib/openmj2/t2.c. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly unspecified other impact.

3 Sep 2018
8.8
CVSS
CVE-2018-16375HIGH

An issue was discovered in OpenJPEG 2.3.0. Missing checks for header_info.height and header_info.width in the function pnmtoimage in bin/jpwl/convert.c can lead to a heap-based buffer overflow.

3 Sep 2018
8.8
CVSS
CVE-2016-9580LOW

An integer overflow vulnerability was found in tiftoimage function in openjpeg 2.1.2, resulting in heap buffer overflow.

1 Aug 2018
3.3
CVSS
CVE-2016-9572MEDIUM

A NULL pointer dereference flaw was found in the way openjpeg 2.1.2 decoded certain input images. Due to a logic error in the code responsible for decoding the input image, an application using openjpeg to process image data could crash when processing a crafted image.

1 Aug 2018
5.9
CVSS
CVE-2016-9581LOW

An infinite loop vulnerability in tiftoimage that results in heap buffer overflow in convert_32s_C1P1 was found in openjpeg 2.1.2.

1 Aug 2018
3.3
CVSS
CVE-2016-9573MEDIUM

An out-of-bounds read vulnerability was found in OpenJPEG 2.1.2, in the j2k_to_image tool. Converting a specially crafted JPEG2000 file to another format could cause the application to crash or, potentially, disclose some data from the heap.

1 Aug 2018
6.5
CVSS
CVE-2018-14423HIGH

Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in lib/openjp3d/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).

19 Jul 2018
7.5
CVSS
CVE-2014-0158HIGH

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 possibly have unspecified other impact via a crafted file because of incorrect j2k_decode, j2k_read_eoc, and tcd_decode_tile interaction, a related issue to CVE-2013-6045. NOTE: this is not a duplicate of CVE-2013-1447, because the scope of CVE-2013-1447 was specifically defined in http://openwall.com/lists/oss-security/2013/12/04/6 as only "null pointer dereferences, division by zero, and anything that would just fit as DoS."

10 Apr 2018
8.8
CVSS
CVE-2018-7648CRITICAL

An issue was discovered in mj2/opj_mj2_extract.c in OpenJPEG 2.3.0. The output prefix was not checked for length, which could overflow a buffer, when providing a prefix with 50 or more characters on the command line.

2 Mar 2018
9.8
CVSS
CVE-2018-6616MEDIUM

In OpenJPEG 2.3.0, there is excessive iteration in the opj_t1_encode_cblks function of openjp2/t1.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file.

5 Feb 2018
5.5
CVSS
CVE-2018-5785MEDIUM

In OpenJPEG 2.3.0, there is an integer overflow caused by an out-of-bounds left shift in the opj_j2k_setup_encoder function (openjp2/j2k.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file.

19 Jan 2018
6.5
CVSS
CVE-2018-5727MEDIUM

In OpenJPEG 2.3.0, there is an integer overflow vulnerability in the opj_t1_encode_cblks function (openjp2/t1.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file.

17 Jan 2018
6.5
CVSS
CVE-2017-17480CRITICAL

In OpenJPEG 2.3.0, a stack-based buffer overflow was discovered in the pgxtovolume function in jp3d/convert.c. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly remote code execution.

8 Dec 2017
9.8
CVSS
CVE-2017-17479CRITICAL

In OpenJPEG 2.3.0, a stack-based buffer overflow was discovered in the pgxtoimage function in jpwl/convert.c. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly remote code execution.

8 Dec 2017
9.8
CVSS
CVE-2015-1239MEDIUM

Double free vulnerability in the j2k_read_ppm_v3 function in OpenJPEG before r2997, as used in PDFium in Google Chrome, allows remote attackers to cause a denial of service (process crash) via a crafted PDF.

18 Oct 2017
6.5
CVSS
CVE-2017-14164HIGH

A size-validation issue was discovered in opj_j2k_write_sot in lib/openjp2/j2k.c in OpenJPEG 2.2.0. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service (heap-based buffer overflow affecting opj_write_bytes_LE in lib/openjp2/cio.c) or possibly remote code execution. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-14152.

6 Sep 2017
8.8
CVSS
CVE-2017-14152HIGH

A mishandled zero case was discovered in opj_j2k_set_cinema_parameters in lib/openjp2/j2k.c in OpenJPEG 2.2.0. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service (heap-based buffer overflow affecting opj_write_bytes_LE in lib/openjp2/cio.c and opj_j2k_write_sot in lib/openjp2/j2k.c) or possibly remote code execution.

5 Sep 2017
8.8
CVSS
CVE-2017-14151HIGH

An off-by-one error was discovered in opj_tcd_code_block_enc_allocate_data in lib/openjp2/tcd.c in OpenJPEG 2.2.0. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service (heap-based buffer overflow affecting opj_mqc_flush in lib/openjp2/mqc.c and opj_t1_encode_cblk in lib/openjp2/t1.c) or possibly remote code execution.

5 Sep 2017
8.8
CVSS
CVE-2017-14041HIGH

A stack-based buffer overflow was discovered in the pgxtoimage function in bin/jp2/convert.c in OpenJPEG 2.2.0. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly remote code execution.

31 Aug 2017
8.8
CVSS
CVE-2017-14040HIGH

An invalid write access was discovered in bin/jp2/convert.c in OpenJPEG 2.2.0, triggering a crash in the tgatoimage function. The vulnerability may lead to remote denial of service or possibly unspecified other impact.

31 Aug 2017
8.8
CVSS
CVE-2017-14039HIGH

A heap-based buffer overflow was discovered in the opj_t2_encode_packet function in lib/openjp2/t2.c in OpenJPEG 2.2.0. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly unspecified other impact.

31 Aug 2017
8.8
CVSS
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