Red Hat Security Advisory: postgresql16-postgis security update
A security vulnerability (CVE-2026-73515) affects PostGIS, an extension that adds geographic object support to PostgreSQL. The flaw involves memory disclosure and denial of service caused by malformed FlatGeobuf buffers. This vulnerability impacts multiple specific PostGIS package versions used in Red Hat Enterprise Linux 10 and related distributions. Red Hat has issued an important security advisory with updates to address this issue.
AI Analysis
Technical Summary
PostGIS, which spatially enables PostgreSQL for geographic information systems, contains a vulnerability identified as CVE-2026-73515. This flaw allows memory disclosure and denial of service via malformed FlatGeobuf buffers. The issue affects numerous specific PostGIS package versions distributed with Red Hat Enterprise Linux 10 and Ubuntu LTS versions. Red Hat Product Security has rated the update as important and released patched packages to mitigate the vulnerability. The advisory references a detailed CVE page and provides links for applying the update.
Potential Impact
The vulnerability can lead to unauthorized disclosure of memory contents and denial of service conditions when processing malformed FlatGeobuf buffers in PostGIS. This could affect the confidentiality and availability of the PostgreSQL server using PostGIS. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated PostGIS packages for Red Hat Enterprise Linux 10 to address CVE-2026-73515. Users should apply these official updates as described in the Red Hat advisory (RHSA-2026:65899) and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the vendor-provided patches.
Red Hat Security Advisory: postgresql16-postgis security update
Description
A security vulnerability (CVE-2026-73515) affects PostGIS, an extension that adds geographic object support to PostgreSQL. The flaw involves memory disclosure and denial of service caused by malformed FlatGeobuf buffers. This vulnerability impacts multiple specific PostGIS package versions used in Red Hat Enterprise Linux 10 and related distributions. Red Hat has issued an important security advisory with updates to address this issue.
Affected software
pkg:deb/ubuntu/postgis?arch=source&distro=xenialpkg:deb/ubuntu/postgis?arch=source&distro=bionicpkg:deb/ubuntu/postgis?arch=source&distro=focalpkg:deb/ubuntu/postgis?arch=source&distro=jammypkg:deb/ubuntu/postgis?arch=source&distro=noblepkg:deb/ubuntu/postgis?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
PostGIS, which spatially enables PostgreSQL for geographic information systems, contains a vulnerability identified as CVE-2026-73515. This flaw allows memory disclosure and denial of service via malformed FlatGeobuf buffers. The issue affects numerous specific PostGIS package versions distributed with Red Hat Enterprise Linux 10 and Ubuntu LTS versions. Red Hat Product Security has rated the update as important and released patched packages to mitigate the vulnerability. The advisory references a detailed CVE page and provides links for applying the update.
Potential Impact
The vulnerability can lead to unauthorized disclosure of memory contents and denial of service conditions when processing malformed FlatGeobuf buffers in PostGIS. This could affect the confidentiality and availability of the PostgreSQL server using PostGIS. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated PostGIS packages for Red Hat Enterprise Linux 10 to address CVE-2026-73515. Users should apply these official updates as described in the Red Hat advisory (RHSA-2026:65899) and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the vendor-provided patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-73515
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:16.04:LTS","Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.04:LTS"]
- Cvss Version
- 3.1
Threat ID: 6a833368bf8831d5392a7ade
Added to database: 08/17/2026, 16:14:32 UTC
Last enriched: 09/09/2026, 14:33:34 UTC
Last updated: 10/02/2026, 03:42:13 UTC
Views: 65
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