CVE-2023-39329

Openjpeg: resource exhaustion will occur in the opj_t1_decode_cblks function in the tcd.c

6.5 MediumFix available

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.

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: None
Integrity: None
Availability: High

Exploit likelihood

0.59%Up 0.5 points since Jul 13, 2024

What each source reports

CVE List Score used 6.5

Openjpeg: resource exhaustion will occur in the opj_t1_decode_cblks function in the tcd.c

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.

Record: CVE-2023-39329
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-07

EUVDEUVD-2023-43060 6.5

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.

Record: EUVD-2023-43060
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-07

GitHub AdvisoriesGHSA-8g92-f59v-j999 6.5

A flaw was found in OpenJPEG. A resource exhaustion can occur in the opj_t1_decode_cblks function...

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.

Record: GHSA-8g92-f59v-j999
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

NVD 6.5

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.

Record: CVE-2023-39329
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-07

OSVBELL-CVE-2023-39329 6.5

Record: BELL-CVE-2023-39329
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSV 6.5

Openjpeg: resource exhaustion will occur in the opj_t1_decode_cblks function in the tcd.c

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.

Record: CVE-2023-39329
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-08

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OSVDEBIAN-CVE-2023-39329 6.5

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.

Record: DEBIAN-CVE-2023-39329
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVJLSEC-2026-550 6.5

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.

Record: JLSEC-2026-550
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-39329 6.5

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.

Record: UBUNTU-CVE-2023-39329
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVAZL-43495 No score

CVE-2023-39329 affecting package openjpeg2 2.3.1-12

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.

Record: AZL-43495
Updated: 2026-11-02

OSVAZL-44217 No score

CVE-2023-39329 affecting package openjpeg2 2.3.1-12

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.

Record: AZL-44217
Updated: 2026-11-05

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`openjpeg2` Azure Linux:2	through 2.3.1-12	None known
`openjpeg2` Azure Linux:3	through 2.3.1-12	None known
`openjpeg` Alpaquita:23	2.5.0-r0 and later	None known
`openjpeg` Alpaquita:stream	2.5.0-r0 and later	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
`OpenJpeg_jll` Julia	2.5.0+0 up to 2.5.2+0	2.5.2+0
`openjpeg` Ubuntu:14.04:LTS	All versions, plus listed versions 1.3+dfsg-4.6ubuntu21.3+dfsg-4.7ubuntu1	None known
`ghostscript` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 9.16~dfsg~0-0ubuntu39.16~dfsg~0-0ubuntu49.18~dfsg~0-0ubuntu19.18~dfsg~0-0ubuntu29.18~dfsg~0-0ubuntu2.2 Show 33 moreShow less 9.18~dfsg~0-0ubuntu2.39.18~dfsg~0-0ubuntu2.49.18~dfsg~0-0ubuntu2.69.18~dfsg~0-0ubuntu2.79.18~dfsg~0-0ubuntu2.89.18~dfsg~0-0ubuntu2.99.25~dfsg+1-0ubuntu0.16.04.19.25~dfsg+1-0ubuntu0.16.04.29.25~dfsg+1-0ubuntu0.16.04.39.26~dfsg+0-0ubuntu0.16.04.19.26~dfsg+0-0ubuntu0.16.04.39.26~dfsg+0-0ubuntu0.16.04.49.26~dfsg+0-0ubuntu0.16.04.59.26~dfsg+0-0ubuntu0.16.04.69.26~dfsg+0-0ubuntu0.16.04.79.26~dfsg+0-0ubuntu0.16.04.89.26~dfsg+0-0ubuntu0.16.04.99.26~dfsg+0-0ubuntu0.16.04.109.26~dfsg+0-0ubuntu0.16.04.119.26~dfsg+0-0ubuntu0.16.04.129.26~dfsg+0-0ubuntu0.16.04.139.26~dfsg+0-0ubuntu0.16.04.149.26~dfsg+0-0ubuntu0.16.04.14+esm19.26~dfsg+0-0ubuntu0.16.04.14+esm29.26~dfsg+0-0ubuntu0.16.04.14+esm39.26~dfsg+0-0ubuntu0.16.04.14+esm49.26~dfsg+0-0ubuntu0.16.04.14+esm59.26~dfsg+0-0ubuntu0.16.04.14+esm69.26~dfsg+0-0ubuntu0.16.04.14+esm79.26~dfsg+0-0ubuntu0.16.04.14+esm89.26~dfsg+0-0ubuntu0.16.04.14+esm99.26~dfsg+0-0ubuntu0.16.04.14+esm109.26~dfsg+0-0ubuntu0.16.04.14+esm11	None known

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Affected packages
Package	Affected	Fixed
`blender` Ubuntu:16.04:LTS	All versions, plus listed versions 2.74+dfsg0-4build22.75.a+dfsg0-2ubuntu22.75.a+dfsg0-2ubuntu32.76.b+dfsg0-32.76.b+dfsg0-3build1	None known
`insighttoolkit4` Ubuntu:16.04:LTS	All versions, plus listed versions 4.8.1-1ubuntu34.8.1-1ubuntu44.8.2-3.1ubuntu14.9.0-3ubuntu24.9.0-4ubuntu14.9.0-4ubuntu1.1	None known
`openjpeg` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 1:1.5.2-3.11:1.5.2-3.1ubuntu0.1~esm2	None known
`openjpeg2` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 2.1.0-2.12.1.0-2.1ubuntu0.12.1.2-1.1+deb9u2build0.12.1.2-1.1+deb9u3build0.16.04.12.1.2-1.1+deb9u3ubuntu0.1~esm1 Show 8 moreShow less 2.1.2-1.1+deb9u5build0.16.04.12.1.2-1.1+deb9u5ubuntu0.1~esm12.1.2-1.1+deb9u6build0.16.04.12.1.2-1.1+deb9u6ubuntu0.1~esm12.1.2-1.1+deb9u6ubuntu0.1~esm32.1.2-1.1+deb9u6ubuntu0.1~esm42.1.2-1.1+deb9u6ubuntu0.1~esm62.1.2-1.1+deb9u6ubuntu0.1~esm7	None known
`texmaker` Ubuntu:16.04:LTS	All versions, plus listed versions 4.4.1-14.4.1-1.1	None known
`ghostscript` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 9.21~dfsg+1-0ubuntu39.22~dfsg+1-0ubuntu19.22~dfsg+1-0ubuntu1.19.22~dfsg+1-0ubuntu1.29.25~dfsg+1-0ubuntu0.18.04.1 Show 24 moreShow less 9.25~dfsg+1-0ubuntu0.18.04.29.26~dfsg+0-0ubuntu0.18.04.19.26~dfsg+0-0ubuntu0.18.04.39.26~dfsg+0-0ubuntu0.18.04.49.26~dfsg+0-0ubuntu0.18.04.59.26~dfsg+0-0ubuntu0.18.04.69.26~dfsg+0-0ubuntu0.18.04.79.26~dfsg+0-0ubuntu0.18.04.89.26~dfsg+0-0ubuntu0.18.04.99.26~dfsg+0-0ubuntu0.18.04.109.26~dfsg+0-0ubuntu0.18.04.119.26~dfsg+0-0ubuntu0.18.04.129.26~dfsg+0-0ubuntu0.18.04.139.26~dfsg+0-0ubuntu0.18.04.149.26~dfsg+0-0ubuntu0.18.04.159.26~dfsg+0-0ubuntu0.18.04.169.26~dfsg+0-0ubuntu0.18.04.179.26~dfsg+0-0ubuntu0.18.04.189.26~dfsg+0-0ubuntu0.18.04.18+esm19.26~dfsg+0-0ubuntu0.18.04.18+esm29.26~dfsg+0-0ubuntu0.18.04.18+esm39.26~dfsg+0-0ubuntu0.18.04.18+esm49.26~dfsg+0-0ubuntu0.18.04.18+esm59.26~dfsg+0-0ubuntu0.18.04.18+esm6	None known
`blender` Ubuntu:18.04:LTS	All versions, plus listed versions 2.78.c+dfsg0-2build12.79+dfsg0-2build12.79+dfsg0-32.79+dfsg0-3build12.79.b+dfsg0-12.79.b+dfsg0-1ubuntu1.18.04.1	None known
`insighttoolkit4` Ubuntu:18.04:LTS	All versions, plus listed versions 4.12.2-dfsg1-1ubuntu1	None known
`openjpeg2` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 2.2.0-12.3.0-12.3.0-2build0.18.04.12.3.0-2ubuntu0.1~esm12.3.0-2+deb10u2build0.18.04.1 Show 5 moreShow less 2.3.0-2+deb10u2ubuntu0.1~esm12.3.0-2+deb10u2ubuntu0.1~esm22.3.0-2+deb10u2ubuntu0.1~esm32.3.0-2+deb10u2ubuntu0.1~esm42.3.0-2+deb10u2ubuntu0.1~esm5	None known
`qtwebengine-opensource-src` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 5.9.1+dfsg-45.9.1+dfsg-4ubuntu15.9.2+dfsg-2ubuntu15.9.3+dfsg-0ubuntu15.9.4+dfsg-0ubuntu15.9.5+dfsg-0ubuntu25.9.5+dfsg-0ubuntu2+esm1	None known
`texmaker` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 4.5-15.0.2-15.0.2-1build15.0.2-1build25.0.2-1ubuntu0.1~esm1	None known
`openjpeg2` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 2.3.0-22.3.0-2build12.3.1-12.3.1-1ubuntu32.3.1-1ubuntu4 Show 5 moreShow less 2.3.1-1ubuntu4.20.04.12.3.1-1ubuntu4.20.04.22.3.1-1ubuntu4.20.04.32.3.1-1ubuntu4.20.04.42.3.1-1ubuntu4.20.04.4+esm1	None known
`blender` Ubuntu:20.04:LTS	All versions, plus listed versions 2.80+dfsg-32.80+dfsg-3build12.80+dfsg-42.81.a+dfsg-5build32.82+dfsg-12.82+dfsg-1build12.82.a+dfsg-1	None known
`insighttoolkit4` Ubuntu:20.04:LTS	All versions, plus listed versions 4.12.2-dfsg1-4.1ubuntu14.13.2-dfsg1-1ubuntu14.13.2-dfsg1-4ubuntu14.13.2-dfsg1-64.13.2-dfsg1-6ubuntu14.13.2-dfsg1-8	None known
`qtwebengine-opensource-src` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 5.12.4+dfsg-1ubuntu15.12.4+dfsg-1ubuntu35.12.5+dfsg-3ubuntu15.12.5+dfsg-6ubuntu25.12.5+dfsg-7 Show 4 moreShow less 5.12.5+dfsg-7build15.12.8+dfsg-0ubuntu15.12.8+dfsg-0ubuntu1.15.12.8+dfsg-0ubuntu1.1+esm1	None known
`texmaker` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 5.0.3-1build25.0.3-1build35.0.3-1build45.0.3-1build55.0.3-1ubuntu0.20.04.1~esm1	None known
`blender` Ubuntu:22.04:LTS	All versions, plus listed versions 2.93.3+dfsg-32.93.5+dfsg-12.93.5+dfsg-1build13.0.1+dfsg-7	None known
`insighttoolkit4` Ubuntu:22.04:LTS	All versions, plus listed versions 4.13.3withdata-dfsg1-4.14.13.3withdata-dfsg2-1ubuntu1	None known
`openjpeg2` Ubuntu:22.04:LTS	All versions, plus listed versions 2.3.1-1ubuntu52.3.1-1ubuntu62.4.0-32.4.0-52.4.0-6 Show 5 moreShow less 2.4.0-6ubuntu0.12.4.0-6ubuntu0.22.4.0-6ubuntu0.32.4.0-6ubuntu0.42.4.0-6ubuntu0.5	None known
`qtwebengine-opensource-src` Ubuntu:Pro:22.04:LTS	All versions, plus listed versions 5.15.6+dfsg-15.15.6+dfsg-25.15.7+dfsg-25.15.8+dfsg-15.15.8+dfsg-1build1 Show 4 moreShow less 5.15.8+dfsg-1build25.15.8+dfsg-25.15.9+dfsg-15.15.9+dfsg-1ubuntu0.1~esm1	None known
`texmaker` Ubuntu:Pro:22.04:LTS	All versions, plus listed versions 5.0.3-1build85.0.3-1build95.0.3-1ubuntu0.22.04.1~esm1	None known
`blender` Ubuntu:24.04:LTS	All versions, plus listed versions 3.6.2+dfsg-2ubuntu13.6.2+dfsg-2ubuntu24.0.2+dfsg-1ubuntu14.0.2+dfsg-1ubuntu24.0.2+dfsg-1ubuntu44.0.2+dfsg-1ubuntu64.0.2+dfsg-1ubuntu74.0.2+dfsg-1ubuntu8	None known
`openjpeg2` Ubuntu:24.04:LTS	All versions, plus listed versions 2.5.0-22.5.0-2build22.5.0-2build32.5.0-2ubuntu0.12.5.0-2ubuntu0.22.5.0-2ubuntu0.32.5.0-2ubuntu0.42.5.0-2ubuntu0.5	None known
`qtwebengine-opensource-src` Ubuntu:Pro:24.04:LTS	All versions, plus listed versions 5.15.15+dfsg-25.15.15+dfsg-2build25.15.15+dfsg-2ubuntu15.15.16+dfsg-15.15.16+dfsg-1ubuntu25.15.16+dfsg-1ubuntu45.15.16+dfsg-35.15.16+dfsg-3ubuntu0.1~esm1	None known
`texmaker` Ubuntu:Pro:24.04:LTS	All versions, plus listed versions 5.1.3+dfsg-1build45.1.3+dfsg-1build55.1.3+dfsg-1build65.1.3+dfsg-1build75.1.3+dfsg-1build85.1.3+dfsg-1ubuntu0.1~esm1	None known
`blender` Ubuntu:25.10	All versions, plus listed versions 4.3.2+dfsg-24.3.2+dfsg-2ubuntu14.3.2+dfsg-2ubuntu2	None known
`openjpeg2` Ubuntu:25.10	All versions, plus listed versions 2.5.3-22.5.3-2.12.5.3-2.1ubuntu0.1	None known
`qtwebengine-opensource-src` Ubuntu:25.10	All versions, plus listed versions 5.15.18+dfsg-25.15.18+dfsg-2build15.15.19+dfsg-15.15.19+dfsg2-1	None known
`texmaker` Ubuntu:25.10	All versions, plus listed versions 5.1.3+dfsg-35.1.3+dfsg-3build1	None known
`blender` Ubuntu:26.10	All versions, plus listed versions 5.0.1+dfsg-1ubuntu15.0.1+dfsg-1ubuntu35.0.1+dfsg-3build15.0.1+dfsg-5	None known
`openjpeg2` Ubuntu:26.10	All versions, plus listed versions 2.5.4-12.5.4-1ubuntu0.12.5.4-1.1	None known
`qtwebengine-opensource-src` Ubuntu:26.10	All versions, plus listed versions 5.15.19+dfsg2-45.15.19+dfsg2-65.15.19+dfsg2-7	None known
`texmaker` Ubuntu:26.10	All versions, plus listed versions 6.0.1+dfsg-3build16.0.1+dfsg-3build2	None known
`blender` Ubuntu:26.04:LTS	All versions, plus listed versions 4.3.2+dfsg-2ubuntu25.0.1+dfsg-1ubuntu1	None known
`openjpeg2` Ubuntu:26.04:LTS	All versions, plus listed versions 2.5.3-2.12.5.4-12.5.4-1ubuntu0.1	None known
`texmaker` Ubuntu:26.04:LTS	All versions, plus listed versions 5.1.3+dfsg-3build16.0.1+dfsg-36.0.1+dfsg-3build1	None known
`qtwebengine-opensource-src` Ubuntu:Pro:26.04:LTS	All versions, plus listed versions 5.15.19+dfsg2-15.15.19+dfsg2-1build15.15.19+dfsg2-25.15.19+dfsg2-35.15.19+dfsg2-45.15.19+dfsg2-4ubuntu0.1~esm1	None known

History

History
Recorded	Changed	Sources
Nov 5, 2026	facts	OSV
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-39329 is a medium vulnerability (CVSS 6.5) in Uclouvain Openjpeg, published July 5, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. Fixed in OpenJpeg_jll 2.5.2+0.

References

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