USN-8835-1

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Source
https://ubuntu.com/security/notices/USN-8835-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8835-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8835-1
Upstream
Related
Published
2026-09-28T14:33:51Z
Modified
2026-09-28T22:57:40Z
Summary
emacs vulnerability
Details

It was discovered that Emacs improperly handled specially crafted SVG images, resulting in memory corruption. An attacker could possibly use this issue to cause Emacs to crash, resulting in a denial of service, or obtain sensitive information.

References

Affected packages

Ubuntu:Pro:24.04:LTS / emacs

Package

Name
emacs
Purl
pkg:deb/ubuntu/emacs?arch=source&distro=esm-apps%2Fnoble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:29.3+1-1ubuntu2+esm4

Affected versions

1:29.*
1:29.1+1-5ubuntu1
1:29.2+1-1ubuntu1
1:29.2+1-2ubuntu4
1:29.3+1-1ubuntu2
1:29.3+1-1ubuntu2+esm1
1:29.3+1-1ubuntu2+esm3

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "emacs",
            "binary_version":  "1:29.3+1-1ubuntu2+esm4"
        },
        {
            "binary_name":  "emacs-bin-common",
            "binary_version":  "1:29.3+1-1ubuntu2+esm4"
        },
        {
            "binary_name":  "emacs-common",
            "binary_version":  "1:29.3+1-1ubuntu2+esm4"
        },
        {
            "binary_name":  "emacs-el",
            "binary_version":  "1:29.3+1-1ubuntu2+esm4"
        },
        {
            "binary_name":  "emacs-gtk",
            "binary_version":  "1:29.3+1-1ubuntu2+esm4"
        },
        {
            "binary_name":  "emacs-lucid",
            "binary_version":  "1:29.3+1-1ubuntu2+esm4"
        },
        {
            "binary_name":  "emacs-nox",
            "binary_version":  "1:29.3+1-1ubuntu2+esm4"
        },
        {
            "binary_name":  "emacs-pgtk",
            "binary_version":  "1:29.3+1-1ubuntu2+esm4"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-6861",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8835-1.json"

Ubuntu:Pro:26.04:LTS / emacs

Package

Name
emacs
Purl
pkg:deb/ubuntu/emacs?arch=source&distro=esm-apps%2Fresolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:30.2+1-2ubuntu1+esm1

Affected versions

1:30.*
1:30.1+1-9ubuntu1
1:30.2+1-1ubuntu2
1:30.2+1-2ubuntu1

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "emacs",
            "binary_version":  "1:30.2+1-2ubuntu1+esm1"
        },
        {
            "binary_name":  "emacs-bin-common",
            "binary_version":  "1:30.2+1-2ubuntu1+esm1"
        },
        {
            "binary_name":  "emacs-common",
            "binary_version":  "1:30.2+1-2ubuntu1+esm1"
        },
        {
            "binary_name":  "emacs-el",
            "binary_version":  "1:30.2+1-2ubuntu1+esm1"
        },
        {
            "binary_name":  "emacs-gtk",
            "binary_version":  "1:30.2+1-2ubuntu1+esm1"
        },
        {
            "binary_name":  "emacs-lucid",
            "binary_version":  "1:30.2+1-2ubuntu1+esm1"
        },
        {
            "binary_name":  "emacs-nox",
            "binary_version":  "1:30.2+1-2ubuntu1+esm1"
        },
        {
            "binary_name":  "emacs-pgtk",
            "binary_version":  "1:30.2+1-2ubuntu1+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2026-6861",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8835-1.json"