7.5

CVE-2026-38076: jbig2dec Integer Overflow or Wraparound

CVSS: 7.5v3.1HighDeferred
AliasesUBUNTU-CVE-2026-38076DEBIAN-CVE-2026-38076
Published 09-07-2026Last modified 14-09-2026

Vulnerability summary

CVE-2026-38076 is a high (CVSS 7.5) Integer Overflow or Wraparound vulnerability in jbig2dec. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.44%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 09-07-2026
    PublishedVulnerability first disclosed.
  2. 14-09-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

0.00 pp

From 0.44% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • jbig2dec< 0.19-3+deb12u1 | < 0.20-1+deb13u1 | All versions (No fix recorded)
Ubuntu1 product
  • jbig2decAll versions (No fix recorded) | < 0.19-3ubuntu0.1 | < 0.20-1ubuntu0.24.04.1 | < 0.20-1ubuntu0.26.04.1

2 vendors · 2 products

References

8 links