CVE-2026-34352

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Source
https://cve.org/CVERecord?id=CVE-2026-34352
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34352.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-34352
Downstream
ALSA (3)
CLSA (3)
DEBIAN (1)
MGASA (1)
OESA (1)
openSUSE (2)
RHSA (12)
RLSA (3)
SUSE (6)
UBUNTU (1)
Related
ALSA (3)
openSUSE (2)
SUSE (6)
Published
2026-03-26T22:30:46Z
Modified
2026-10-28T11:12:08Z
Severity
  • 8.5 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L CVSS Calculator
Summary
[none]
Details

In TigerVNC before 1.16.2, Image.cxx in x0vncserver allows other users to observe or manipulate the screen contents, or cause an application crash, because of incorrect permissions.

Database specific 
{
    "cna_assigner":  "mitre",
    "cwe_ids":  [
        "CWE-732"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34352.json"
}
References

Affected packages

Git / github.com/tigervnc/tigervnc

Affected ranges

Type
GIT
Repo
https://github.com/tigervnc/tigervnc
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
b555312d70d7ff017f866649a7e7167af4eb8fca
Fixed
0b5cab169d847789efa54459a87659d3fd484393
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:tigervnc:tigervnc:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "1.16.2"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "range":  [
                {
                    "fixed":  "0b5cab169d847789efa54459a87659d3fd484393"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

v0.*
v0.0.90
v1.*
v1.1.90
v1.15.90
v1.16.0
v1.16.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34352.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "168159989987394180244965269388051027972",
                "252990462059640665620154540408848481533",
                "138750095314693944014020199048865348535",
                "183371219017403905911438349548147757054"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2026-34352-1144882d",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/tigervnc/tigervnc/commit/0b5cab169d847789efa54459a87659d3fd484393",
        "target":  {
            "file":  "unix/x0vncserver/Image.cxx"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "200210064560606103723482966746360593478",
            "length":  1896
        },
        "id":  "CVE-2026-34352-e857f7ba",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/tigervnc/tigervnc/commit/0b5cab169d847789efa54459a87659d3fd484393",
        "target":  {
            "file":  "unix/x0vncserver/Image.cxx",
            "function":  "ShmImage::Init"
        }
    }
]
vanir_signatures_modified 
"2026-10-28T11:12:08Z"