CVE-2026-38076
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows...
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.5
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
CVE-2026-38076- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
EUVDEUVD-2026-42767
7.5
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
EUVD-2026-42767- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v2wp-4h2v-wxcx
7.5
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows...
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
GHSA-v2wp-4h2v-wxcx- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
NVD
7.5
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
CVE-2026-38076- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2026-38076
7.5
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
DEBIAN-CVE-2026-38076- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVOESA-2026-2995
7.5
jbig2dec security update
jbig2dec is a decoder implementation of the JBIG2 image compression format.
Security Fix(es):
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.(CVE-2026-38076)
- Record
OESA-2026-2995- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 6 moreShow less
OSVOESA-2026-2996
7.5
jbig2dec security update
jbig2dec is a decoder implementation of the JBIG2 image compression format.
Security Fix(es):
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.(CVE-2026-38076)
- Record
OESA-2026-2996- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVOESA-2026-3133
7.5
jbig2dec security update
jbig2dec is a decoder implementation of the JBIG2 image compression format.
Security Fix(es):
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.(CVE-2026-38076)
- Record
OESA-2026-3133- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVOESA-2026-3134
7.5
jbig2dec security update
jbig2dec is a decoder implementation of the JBIG2 image compression format.
Security Fix(es):
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.(CVE-2026-38076)
- Record
OESA-2026-3134- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVOESA-2026-3135
7.5
jbig2dec security update
jbig2dec is a decoder implementation of the JBIG2 image compression format.
Security Fix(es):
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.(CVE-2026-38076)
- Record
OESA-2026-3135- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-38076
7.5
An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
UBUNTU-CVE-2026-38076- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVMGASA-2026-0344 No score
Updated jbig2dec packages fix security vulnerabilities
Artifex Software jbig2dec v0.20 was discovered to contain a SEGV vulnerability via jbig2_error at /jbig2dec/jbig2.c. (CVE-2023-46361) An integer overflow in the jbig2_arith_iaid_ctx_new() function of Artifex commit cc37d0 allows attackers to cause a Denial of Service (DoS) via a crafted input. (CVE-2026-38076)
- Record
MGASA-2026-0344- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
jbig2decDebian:12 |
before 0.19-3+deb12u1, plus listed versions 0.19-3 |
0.19-3+deb12u1 |
jbig2decDebian:13 |
before 0.20-1+deb13u1, plus listed versions 0.20-1 |
0.20-1+deb13u1 |
jbig2decDebian:14 |
All versions, plus listed versions 0.20-1 |
None known |
jbig2decMageia:10 From an advisory covering 2 CVEs |
before 0.20-2.1.mga10 | 0.20-2.1.mga10 |
jbig2decMageia:9 From an advisory covering 2 CVEs |
before 0.19-4.1.mga9 | 0.19-4.1.mga9 |
jbig2decopenEuler:20.03-LTS-SP4 |
before 0.18-5.oe2003sp4 | 0.18-5.oe2003sp4 |
jbig2decopenEuler:22.03-LTS-SP4 |
before 0.19-6.oe2203sp4 | 0.19-6.oe2203sp4 |
jbig2decopenEuler:24.03-LTS-SP4 |
before 0.20-3.oe2403sp4 | 0.20-3.oe2403sp4 |
jbig2decopenEuler:24.03-LTS-SP1 |
before 0.20-3.oe2403sp1 | 0.20-3.oe2403sp1 |
jbig2decopenEuler:24.03-LTS-SP3 |
before 0.20-3.oe2403sp3 | 0.20-3.oe2403sp3 |
Show 7 moreShow less
| Package | Affected | Fixed |
|---|---|---|
jbig2decUbuntu:14.04:LTS |
All versions, plus listed versions 0.11+20120125-1ubuntu10.11+20120125-1ubuntu1.1 |
None known |
jbig2decUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 0.12-20.12+20150918-10.12+20150918-1ubuntu0.10.12+20150918-1ubuntu0.1+esm2 |
None known |
jbig2decUbuntu:18.04:LTS |
All versions, plus listed versions 0.13-50.13-6 |
None known |
jbig2decUbuntu:20.04:LTS |
All versions, plus listed versions 0.16-10.17-10.18-1ubuntu1 |
None known |
jbig2decUbuntu:22.04:LTS |
before 0.19-3ubuntu0.1, plus listed versions 0.19-30.19-3build10.19-3build2 |
0.19-3ubuntu0.1 |
jbig2decUbuntu:24.04:LTS |
before 0.20-1ubuntu0.24.04.1, plus listed versions 0.19-3build20.20-10.20-1build20.20-1build3 |
0.20-1ubuntu0.24.04.1 |
jbig2decUbuntu:26.04:LTS |
before 0.20-1ubuntu0.26.04.1, plus listed versions 0.20-1build30.20-1build4 |
0.20-1ubuntu0.26.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-38076 is a high vulnerability (CVSS 7.5) in jbig2dec, published July 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. Fixed in jbig2dec 0.19-3+deb12u1.
References
artifex.com
github.com/ArtifexSoftware/jbig2dec
gist.github.com/dkjsone/c237b83ffa9ebd7028b5db7f410fcf78
lists.debian.org/debian-lts-announce/2026/09/msg00014.html
nvd.nist.gov/vuln/detail/CVE-2026-38076
github.com/advisories/GHSA-v2wp-4h2v-wxcx
Show 14 moreShow less
security-tracker.debian.org/tracker/CVE-2026-38076
advisories.mageia.org/MGASA-2026-0344.html
bugs.mageia.org/show_bug.cgi?id=35994
ubuntu.com/security/notices/USN-8582-1
github.com/Frank-Z7/z-vulnerabilitys/blob/main/jbig2dec-SEGV/jbig2dec-SEGV.md
bugs.ghostscript.com/show_bug.cgi?id=707308
bugs.ghostscript.com/show_bug.cgi?id=705041
openeuler.org/zh/security/security-bulletins/detail?id=openEuler-SA-2026-2995
openeuler.org/zh/security/security-bulletins/detail?id=openEuler-SA-2026-2996
openeuler.org/zh/security/security-bulletins/detail?id=openEuler-SA-2026-3133
openeuler.org/zh/security/security-bulletins/detail?id=openEuler-SA-2026-3134
openeuler.org/zh/security/security-bulletins/detail?id=openEuler-SA-2026-3135
ubuntu.com/security/CVE-2026-38076
cve.org/CVERecord?id=CVE-2026-38076