| Name | CVE-2026-4738 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| gdal (PTS) | bullseye (security), bullseye | 3.2.2+dfsg-2+deb11u2 | vulnerable |
| bookworm | 3.6.2+dfsg-1 | vulnerable |
| trixie | 3.10.3+dfsg-1 | vulnerable |
| forky, sid | 3.12.3+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| gdal | source | (unstable) | 3.11.3+dfsg-1 | | | |
Notes
https://github.com/OSGeo/gdal/pull/12244
https://github.com/OSGeo/gdal/commit/7f3406edd992fa4afe3a638371860d9a4104db04 (v3.11.0RC1)
Issue for the gdal use of an embedded zlib copy vulnerable to CVE-2016-9840.