USN-7015-7

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Source
https://ubuntu.com/security/notices/USN-7015-7
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7015-7.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7015-7
Upstream
Related
Published
2025-09-29T12:07:11.784762Z
Modified
2025-10-13T04:38:39Z
Summary
python2.7 regression
Details

USN-7015-4 fixed vulnerabilities in Python. It was discovered that the fix for CVE-2023-27043 for python2.7 was incorrectly applied on Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that the Python email module incorrectly parsed email addresses that contain special characters. A remote attacker could possibly use this issue to bypass certain protection mechanisms. (CVE-2023-27043)

It was discovered that Python allowed excessive backtracking while parsing certain tarfile headers. A remote attacker could possibly use this issue to cause Python to consume resources, leading to a denial of service. (CVE-2024-6232)

It was discovered that the Python email module incorrectly quoted newlines for email headers. A remote attacker could possibly use this issue to perform header injection. (CVE-2024-6923)

It was discovered that the Python http.cookies module incorrectly handled parsing cookies that contained backslashes for quoted characters. A remote attacker could possibly use this issue to cause Python to consume resources, leading to a denial of service. (CVE-2024-7592)

It was discovered that the Python zipfile module incorrectly handled certain malformed zip files. A remote attacker could possibly use this issue to cause Python to stop responding, resulting in a denial of service. (CVE-2024-8088)

References

Affected packages

Ubuntu:Pro:16.04:LTS / python2.7

Package

Name
python2.7
Purl
pkg:deb/ubuntu/python2.7@2.7.12-1ubuntu0~16.04.18+esm18?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.12-1ubuntu0~16.04.18+esm18

Affected versions

2.*

2.7.10-4ubuntu1
2.7.10-4ubuntu2
2.7.11-2
2.7.11-3
2.7.11-4
2.7.11-6
2.7.11-7
2.7.11-7ubuntu1
2.7.12-1~16.04
2.7.12-1ubuntu0~16.04.1
2.7.12-1ubuntu0~16.04.2
2.7.12-1ubuntu0~16.04.3
2.7.12-1ubuntu0~16.04.4
2.7.12-1ubuntu0~16.04.8
2.7.12-1ubuntu0~16.04.9
2.7.12-1ubuntu0~16.04.11
2.7.12-1ubuntu0~16.04.12
2.7.12-1ubuntu0~16.04.13
2.7.12-1ubuntu0~16.04.14
2.7.12-1ubuntu0~16.04.16
2.7.12-1ubuntu0~16.04.18
2.7.12-1ubuntu0~16.04.18+esm1
2.7.12-1ubuntu0~16.04.18+esm2
2.7.12-1ubuntu0~16.04.18+esm3
2.7.12-1ubuntu0~16.04.18+esm4
2.7.12-1ubuntu0~16.04.18+esm5
2.7.12-1ubuntu0~16.04.18+esm6
2.7.12-1ubuntu0~16.04.18+esm7
2.7.12-1ubuntu0~16.04.18+esm8
2.7.12-1ubuntu0~16.04.18+esm9
2.7.12-1ubuntu0~16.04.18+esm10
2.7.12-1ubuntu0~16.04.18+esm11
2.7.12-1ubuntu0~16.04.18+esm12
2.7.12-1ubuntu0~16.04.18+esm13
2.7.12-1ubuntu0~16.04.18+esm15
2.7.12-1ubuntu0~16.04.18+esm16
2.7.12-1ubuntu0~16.04.18+esm17

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.7.12-1ubuntu0~16.04.18+esm18",
            "binary_name": "idle-python2.7"
        },
        {
            "binary_version": "2.7.12-1ubuntu0~16.04.18+esm18",
            "binary_name": "libpython2.7"
        },
        {
            "binary_version": "2.7.12-1ubuntu0~16.04.18+esm18",
            "binary_name": "libpython2.7-dev"
        },
        {
            "binary_version": "2.7.12-1ubuntu0~16.04.18+esm18",
            "binary_name": "libpython2.7-minimal"
        },
        {
            "binary_version": "2.7.12-1ubuntu0~16.04.18+esm18",
            "binary_name": "libpython2.7-stdlib"
        },
        {
            "binary_version": "2.7.12-1ubuntu0~16.04.18+esm18",
            "binary_name": "libpython2.7-testsuite"
        },
        {
            "binary_version": "2.7.12-1ubuntu0~16.04.18+esm18",
            "binary_name": "python2.7"
        },
        {
            "binary_version": "2.7.12-1ubuntu0~16.04.18+esm18",
            "binary_name": "python2.7-dev"
        },
        {
            "binary_version": "2.7.12-1ubuntu0~16.04.18+esm18",
            "binary_name": "python2.7-examples"
        },
        {
            "binary_version": "2.7.12-1ubuntu0~16.04.18+esm18",
            "binary_name": "python2.7-minimal"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-27043",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:Pro:18.04:LTS / python2.7

Package

Name
python2.7
Purl
pkg:deb/ubuntu/python2.7@2.7.17-1~18.04ubuntu1.13+esm13?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.17-1~18.04ubuntu1.13+esm13

Affected versions

2.*

2.7.14-2ubuntu2
2.7.14-4
2.7.14-6
2.7.14-7
2.7.14-8
2.7.15~rc1-1
2.7.15~rc1-1ubuntu0.1
2.7.15-4ubuntu4~18.04
2.7.15-4ubuntu4~18.04.1
2.7.15-4ubuntu4~18.04.2
2.7.17-1~18.04
2.7.17-1~18.04ubuntu1
2.7.17-1~18.04ubuntu1.1
2.7.17-1~18.04ubuntu1.2
2.7.17-1~18.04ubuntu1.3
2.7.17-1~18.04ubuntu1.5
2.7.17-1~18.04ubuntu1.6
2.7.17-1~18.04ubuntu1.7
2.7.17-1~18.04ubuntu1.8
2.7.17-1~18.04ubuntu1.10
2.7.17-1~18.04ubuntu1.11
2.7.17-1~18.04ubuntu1.13
2.7.17-1~18.04ubuntu1.13+esm1
2.7.17-1~18.04ubuntu1.13+esm2
2.7.17-1~18.04ubuntu1.13+esm3
2.7.17-1~18.04ubuntu1.13+esm4
2.7.17-1~18.04ubuntu1.13+esm5
2.7.17-1~18.04ubuntu1.13+esm6
2.7.17-1~18.04ubuntu1.13+esm7
2.7.17-1~18.04ubuntu1.13+esm8
2.7.17-1~18.04ubuntu1.13+esm10
2.7.17-1~18.04ubuntu1.13+esm11
2.7.17-1~18.04ubuntu1.13+esm12

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.7.17-1~18.04ubuntu1.13+esm13",
            "binary_name": "idle-python2.7"
        },
        {
            "binary_version": "2.7.17-1~18.04ubuntu1.13+esm13",
            "binary_name": "libpython2.7"
        },
        {
            "binary_version": "2.7.17-1~18.04ubuntu1.13+esm13",
            "binary_name": "libpython2.7-dev"
        },
        {
            "binary_version": "2.7.17-1~18.04ubuntu1.13+esm13",
            "binary_name": "libpython2.7-minimal"
        },
        {
            "binary_version": "2.7.17-1~18.04ubuntu1.13+esm13",
            "binary_name": "libpython2.7-stdlib"
        },
        {
            "binary_version": "2.7.17-1~18.04ubuntu1.13+esm13",
            "binary_name": "libpython2.7-testsuite"
        },
        {
            "binary_version": "2.7.17-1~18.04ubuntu1.13+esm13",
            "binary_name": "python2.7"
        },
        {
            "binary_version": "2.7.17-1~18.04ubuntu1.13+esm13",
            "binary_name": "python2.7-dev"
        },
        {
            "binary_version": "2.7.17-1~18.04ubuntu1.13+esm13",
            "binary_name": "python2.7-examples"
        },
        {
            "binary_version": "2.7.17-1~18.04ubuntu1.13+esm13",
            "binary_name": "python2.7-minimal"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-27043",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}