9.4

CVE-2026-4738: osgeo gdal

CVSS: 9.4v4.0CriticalAwaiting analysis
AliasesUBUNTU-CVE-2026-4738DEBIAN-CVE-2026-4738
Published 24-03-2026Last modified 24-03-2026
Open JSON

Vulnerability summary

CVE-2026-4738 is a critical (CVSS 9.4) vulnerability in osgeo gdal. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.4/10
010
Critical · v4.0 (CVE.org)
EPSS score
0.43%
0%100%
Low · +0.15 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-03-2026
    PublishedVulnerability first disclosed.
  2. 24-03-2026
    Last modifiedVulnerability information updated.

Description

Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in OSGeo gdal (frmts/zlib/contrib/infback9 modules). This vulnerability is associated with program files inftree9.C‎. This issue affects gdal: before 3.11.0.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

+0.15 pp

From 0.28% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.43%

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
  • gdalAll versions (No fix recorded) | < 3.11.3+dfsg-1
Osgeo1 product
Ubuntu1 product
  • gdalAll versions (No fix recorded)

3 vendors · 3 products

References

4 links