Freerdp: Out-of-bounds read in glyph_cache_get via crafted glyph fragments
An out-of-bounds read vulnerability exists in the freerdp component glyph_cache_get when processing crafted glyph fragments. This flaw could lead to unexpected behavior or crashes when handling maliciously crafted input. The issue affects multiple specific freerdp package versions distributed across various Ubuntu releases. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
The freerdp software contains an out-of-bounds read vulnerability in the glyph_cache_get function triggered by specially crafted glyph fragments. This vulnerability affects numerous specific freerdp package versions across multiple Ubuntu LTS and standard releases. The issue could allow an attacker to cause a memory read beyond allocated boundaries, potentially leading to information disclosure or application instability. There is no available CVSS score or detailed vendor advisory to confirm patch status or exploitation details. No known exploits have been reported in the wild.
Potential Impact
The vulnerability allows out-of-bounds memory reads which may result in information disclosure or application crashes. However, no confirmed exploit or further impact details are provided in the source data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until official fixes are confirmed, users should monitor vendor channels for updates and apply patches promptly once available.
Freerdp: Out-of-bounds read in glyph_cache_get via crafted glyph fragments
Description
An out-of-bounds read vulnerability exists in the freerdp component glyph_cache_get when processing crafted glyph fragments. This flaw could lead to unexpected behavior or crashes when handling maliciously crafted input. The issue affects multiple specific freerdp package versions distributed across various Ubuntu releases. No known exploits are reported in the wild at this time.
Affected software
pkg:deb/ubuntu/[email protected]~git20140921.1.440916e+dfsg1-5ubuntu1.4?arch=source&distro=xenialpkg:deb/ubuntu/[email protected]+dfsg1-0ubuntu0.18.04.4+esm6?arch=source&distro=esm-infra/bionicpkg:deb/ubuntu/[email protected]~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.2?arch=source&distro=bionicpkg:deb/ubuntu/[email protected]+dfsg1-0ubuntu0.20.04.2+esm4?arch=source&distro=esm-infra/focalpkg:deb/ubuntu/[email protected]+dfsg1-3ubuntu2.11?arch=source&distro=jammypkg:deb/ubuntu/[email protected]+dfsg-0ubuntu0.24.04.1?arch=source&distro=noblepkg:deb/ubuntu/[email protected]+dfsg1-1ubuntu0.1~esm6?arch=source&distro=esm-apps/noblepkg:deb/ubuntu/[email protected]+dfsg-2ubuntu0.5?arch=source&distro=questingpkg:deb/ubuntu/[email protected]+dfsg-0ubuntu0.26.04.1?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The freerdp software contains an out-of-bounds read vulnerability in the glyph_cache_get function triggered by specially crafted glyph fragments. This vulnerability affects numerous specific freerdp package versions across multiple Ubuntu LTS and standard releases. The issue could allow an attacker to cause a memory read beyond allocated boundaries, potentially leading to information disclosure or application instability. There is no available CVSS score or detailed vendor advisory to confirm patch status or exploitation details. No known exploits have been reported in the wild.
Potential Impact
The vulnerability allows out-of-bounds memory reads which may result in information disclosure or application crashes. However, no confirmed exploit or further impact details are provided in the source data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until official fixes are confirmed, users should monitor vendor channels for updates and apply patches promptly once available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-55564
- Osv Schema Version
- 1.7.0
- Aliases
- []
- Ecosystems
- ["Ubuntu:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:Pro:24.04:LTS","Ubuntu:25.10","Ubuntu:26.04:LTS"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a5e7a702a4a8d59899de947
Added to database: 07/20/2026, 19:43:44 UTC
Last enriched: 07/20/2026, 20:54:39 UTC
Last updated: 07/31/2026, 12:27:04 UTC
Views: 16
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