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CVE-2018-16376

An issue was discovered in OpenJPEG 2.3.0. A heap-based buffer overflow was discovered in the...

8.8 HighFix available

CVE-2018-16376 is a high vulnerability (CVSS 8.8) in Uclouvain Openjpeg, published September 3, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.84%, the 86th percentile. Fixed in openjpeg2 2.1.0-4.15.1.

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.84%Up 1.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

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.

Record
CVE-2018-16376
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2018-16376
Updated
2026-11-02
EUVDEUVD-2018-8222 No score

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.

Record
EUVD-2018-8222
Updated
2026-11-03
GitHub AdvisoriesGHSA-9j6w-p36v-w54g 8.8

An issue was discovered in OpenJPEG 2.3.0. A heap-based buffer overflow was discovered in the...

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.

Record
GHSA-9j6w-p36v-w54g
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
OSVAZL-44406 8.8

CVE-2018-16376 affecting package openjpeg2 2.3.1-12

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.

Record
AZL-44406
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSV 8.8

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.

Record
CVE-2018-16376
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 6 moreShow less
OSVDEBIAN-CVE-2018-16376 8.8

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.

Record
DEBIAN-CVE-2018-16376
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-16376 8.8

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.

Record
UBUNTU-CVE-2018-16376
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:13571-1 No score

libopenjp2-7-2.5.0-4.1 on GA media

These are all security issues fixed in the libopenjp2-7-2.5.0-4.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:13571-1
Updated
2026-11-02
OSVSUSE-SU-2022:1129-1 No score

Security update for openjpeg2

This update for openjpeg2 fixes the following issues:

  • CVE-2016-1924: Fixed heap buffer overflow (bsc#980504).
  • CVE-2016-3183: Fixed out-of-bounds read in sycc422_to_rgb function (bsc#971617).
  • CVE-2016-4797: Fixed heap buffer overflow (bsc#980504).
  • CVE-2018-14423: Fixed division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl,and pi_next_rpcl in lib/openjp3d/pi.c (bsc#1102016).
  • CVE-2018-16375: Fixed missing checks for header_info.height and header_info.width in the function pnmtoimage in bin/jpwl/convert.c (bsc#1106882).
  • CVE-2018-16376: Fixed heap-based buffer overflow function t2_encode_packet in lib/openmj2/t2.c (bsc#1106881).
  • CVE-2018-20845: Fixed division-by-zero in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in openmj2/pi.c (bsc#1140130).
  • CVE-2018-20846: Fixed out-of-bounds accesses in pi_next_lrcp, pi_next_rlcp, pi_next_rpcl, pi_next_pcrl, pi_next_rpcl, and pi_next_cprl in openmj2/pi.c (bsc#1140205).
  • CVE-2020-8112: Fixed heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c (bsc#1162090).
  • CVE-2020-15389: Fixed use-after-free if t a mix of valid and invalid files in a directory operated on by the decompressor (bsc#1173578).
  • CVE-2020-27823: Fixed heap buffer over-write in opj_tcd_dc_level_shift_encode() (bsc#1180457).
  • CVE-2021-29338: Fixed integer overflow that allows remote attackers to crash the application (bsc#1184774).
  • CVE-2022-1122: Fixed segmentation fault in opj2_decompress due to uninitialized pointer (bsc#1197738).
Record
SUSE-SU-2022:1129-1
Updated
2026-11-02
OSVSUSE-SU-2022:1252-1 No score

Security update for openjpeg2

This update for openjpeg2 fixes the following issues:

  • CVE-2018-5727: Fixed integer overflow vulnerability in theopj_t1_encode_cblks function (bsc#1076314).
  • CVE-2018-5785: Fixed integer overflow caused by an out-of-bounds leftshift in the opj_j2k_setup_encoder function (bsc#1076967).
  • CVE-2018-6616: Fixed excessive iteration in the opj_t1_encode_cblks function of openjp2/t1.c (bsc#1079845).
  • CVE-2018-14423: Fixed division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl,and pi_next_rpcl in lib/openjp3d/pi.c (bsc#1102016).
  • CVE-2018-16375: Fixed missing checks for header_info.height and header_info.width in the function pnmtoimage in bin/jpwl/convert.c (bsc#1106882).
  • CVE-2018-16376: Fixed heap-based buffer overflow function t2_encode_packet in lib/openmj2/t2.c (bsc#1106881).
  • CVE-2018-20845: Fixed division-by-zero in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in openmj2/pi.ci (bsc#1140130).
  • CVE-2020-6851: Fixed heap-based buffer overflow in opj_t1_clbl_decode_processor (bsc#1160782).
  • CVE-2020-8112: Fixed heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c (bsc#1162090).
  • CVE-2020-15389: Fixed use-after-free if t a mix of valid and invalid files in a directory operated on by the decompressor (bsc#1173578).
  • CVE-2020-27823: Fixed heap buffer over-write in opj_tcd_dc_level_shift_encode() (bsc#1180457).
  • CVE-2021-29338: Fixed integer overflow that allows remote attackers to crash the application (bsc#1184774).
  • CVE-2022-1122: Fixed segmentation fault in opj2_decompress due to uninitialized pointer (bsc#1197738).
Record
SUSE-SU-2022:1252-1
Updated
2026-11-02
OSVSUSE-SU-2022:1296-1 No score

Security update for openjpeg

This update for openjpeg fixes the following issues:

  • CVE-2018-14423: Fixed division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl,and pi_next_rpcl in lib/openjp3d/pi.c (bsc#1102016).
  • CVE-2018-16376: Fixed heap-based buffer overflow function t2_encode_packet in lib/openmj2/t2.c (bsc#1106881).
  • CVE-2020-8112: Fixed a heap buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c (bsc#1162090).
  • CVE-2020-15389: Fixed a use-after-free if a mix of valid and invalid files in a directory operated on by the decompressor (bsc#1173578).
  • CVE-2020-27823: Fixed a heap buffer over-write in opj_tcd_dc_level_shift_encode() (bsc#1180457),
  • CVE-2021-29338: Fixed an integer Overflow allows remote attackers to crash the application (bsc#1184774).
Record
SUSE-SU-2022:1296-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openjpeg2
Azure Linux:3
 through 2.3.1-12 None known
openjpeg2
Debian:12
 All versions, plus listed versions
2.5.0-22.5.0-2+deb12u12.5.0-2+deb12u22.5.0-2+deb12u32.5.3-1
Show 8 moreShow less
2.5.3-1~exp12.5.3-1~exp22.5.3-22.5.3-2.12.5.3-2.1~deb13u12.5.3-2.1~deb13u22.5.4-12.5.4-1.1
 None known
openjpeg2
Debian:13
 All versions, plus listed versions
2.5.3-22.5.3-2.12.5.3-2.1~deb13u12.5.3-2.1~deb13u22.5.4-12.5.4-1.1
 None known
openjpeg2
Debian:14
 All versions, plus listed versions
2.5.3-22.5.3-2.12.5.3-2.1~deb13u12.5.3-2.1~deb13u22.5.4-12.5.4-1.1
 None known
openjpeg2
SUSE:HPE Helion OpenStack 8
 before 2.1.0-4.15.1
2.1.0-4.15.1
openjpeg2
SUSE:OpenStack Cloud 8
 before 2.1.0-4.15.1
2.1.0-4.15.1
openjpeg2
SUSE:OpenStack Cloud 9
 before 2.1.0-4.15.1
2.1.0-4.15.1
openjpeg2
SUSE:OpenStack Cloud Crowbar 8
 before 2.1.0-4.15.1
2.1.0-4.15.1
openjpeg2
SUSE:OpenStack Cloud Crowbar 9
 before 2.1.0-4.15.1
2.1.0-4.15.1
openjpeg2
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
 before 2.1.0-4.15.1
2.1.0-4.15.1
Show 53 moreShow less
Affected packages
PackageAffectedFixed
openjpeg2
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
 before 2.1.0-4.15.1
2.1.0-4.15.1
openjpeg2
SUSE:Linux Enterprise Server 12 SP2-BCL
 before 2.1.0-4.15.1
2.1.0-4.15.1
openjpeg2
SUSE:Linux Enterprise Server 12 SP3-LTSS
 before 2.1.0-4.15.1
2.1.0-4.15.1
openjpeg2
SUSE:Linux Enterprise Server 12 SP3-BCL
 before 2.1.0-4.15.1
2.1.0-4.15.1
openjpeg2
SUSE:Linux Enterprise Server 12 SP4-LTSS
 before 2.1.0-4.15.1
2.1.0-4.15.1
openjpeg2
SUSE:Linux Enterprise Server 12 SP5
 before 2.1.0-4.15.1
2.1.0-4.15.1
openjpeg2
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
 before 2.1.0-4.15.1
2.1.0-4.15.1
openjpeg2
SUSE:Linux Enterprise Module for Basesystem 15 SP3
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise Module for Package Hub 15 SP3
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise High Performance Computing 15-ESPOS
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise High Performance Computing 15-LTSS
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise Real Time 15 SP2
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise Server 15-LTSS
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise Server 15 SP1-BCL
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise Server 15 SP1-LTSS
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise Server 15 SP2-BCL
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise Server 15 SP2-LTSS
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise Server for SAP Applications 15
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise Server for SAP Applications 15 SP1
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Linux Enterprise Server for SAP Applications 15 SP2
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Manager Proxy 4.1
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Manager Retail Branch Server 4.1
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Manager Server 4.1
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Enterprise Storage 6
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
SUSE:Enterprise Storage 7
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg2
openSUSE:Leap 15.3
 before 2.3.0-150000.3.5.1
2.3.0-150000.3.5.1
openjpeg
SUSE:Linux Enterprise Module for Desktop Applications 15 SP3
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise High Performance Computing 15-ESPOS
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise High Performance Computing 15-LTSS
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise Real Time 15 SP2
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise Server 15-LTSS
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise Server 15 SP1-BCL
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise Server 15 SP1-LTSS
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise Server 15 SP2-BCL
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise Server 15 SP2-LTSS
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise Server for SAP Applications 15
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise Server for SAP Applications 15 SP1
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Linux Enterprise Server for SAP Applications 15 SP2
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Manager Proxy 4.1
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Manager Retail Branch Server 4.1
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Manager Server 4.1
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Enterprise Storage 6
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
SUSE:Enterprise Storage 7
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
openSUSE:Leap 15.3
 before 1.5.2-150000.4.5.1
1.5.2-150000.4.5.1
openjpeg
Ubuntu:14.04:LTS
 All versions, plus listed versions
1.3+dfsg-4.6ubuntu21.3+dfsg-4.7ubuntu1
 None known

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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