USN-8018-3: python2.7 Ubuntu
Vulnerability summary
USN-8018-3 is a vulnerability in python2.7 Ubuntu with no CVSS score yet.
No CVSS vector published; no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 0 · Related 4Timeline
- 19-03-2026PublishedVulnerability first disclosed.
- 25-06-2026Last modifiedVulnerability information updated.
Description
python2.7 vulnerabilities USN-8018-1 fixed CVE-2025-12084, CVE-2025-15282, CVE-2026-0672, CVE-2026-0865 for python3. This update provides the corresponding updates for python2.7. Original advisory details: Denis Ledoux discovered that Python incorrectly parsed email message headers. An attacker could possibly use this issue to inject arbitrary headers into email messages. This issue only affected python3.6, python3.7, python3.8, python3.9, python3.10, python3.11, python3.12, python3.13, and python3.14 packages. (CVE-2025-11468) Jacob Walls, Shai Berger, and Natalia Bidart discovered that Python inefficiently parsed XML input with quadratic complexity. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-12084) It was discovered that Python incorrectly parsed malicious plist files. An attacker could possibly use this issue to cause Python to use excessive resources, leading to a denial of service. This issue only affected python3.5, python3.6, python3.7, python3.8, python3.9, python3.10, python3.11, python3.12, python3.13, and python3.14 packages. (CVE-2025-13837) Omar Hasan discovered that Python incorrectly parsed URL mediatypes. An attacker could possibly use this issue to inject arbitrary HTTP headers. (CVE-2025-15282) Omar Hasan discovered that Python incorrectly parsed malicious IMAP inputs. An attacker could possibly use this issue to inject arbitrary IMAP commands. (CVE-2025-15366) Omar Hasan discovered that Python incorrectly parsed malicious POP3 inputs. An attacker could possibly use this issue to inject arbitrary POP3 commands. (CVE-2025-15367) Omar Hasan discovered that Python incorrectly parsed malicious HTTP cookie headers. An attacker could possibly use this issue to inject arbitrary HTTP headers. (CVE-2026-0672) Omar Hasan discovered that Python incorrectly parsed malicious HTTP header names and values. An attacker could possibly use this issue to inject arbitrary HTTP headers. (CVE-2026-0865)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: not stated in public data.
Ubuntu1 product
- python2.7< 2.7.6-8ubuntu0.6+esm29 | < 2.7.12-1ubuntu0~16.04.18+esm19 | < 2.7.17-1~18.04ubuntu1.13+esm14 | < 2.7.18-1~20.04.7+esm9 | < 2.7.18-13ubuntu1.5+esm8
1 vendor · 1 product