Vulnerability DatabaseCVE-2015-8557
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CVE-2015-8557
Published:January 08, 2016
Updated:September 21, 2026
The FontManager._get_nix_font_path function in formatters/img.py in Pygments 1.2.2 through 2.0.2 allows remote attackers to execute arbitrary commands via shell metacharacters in a font name.
Affected Packages
Pygments (PYTHON):
Affected version(s) >=1.2.2 <2.1
Fix Suggestion:
Update to version 2.1
Related Resources (15)
https://security.gentoo.org/glsa/201612-05
https://bitbucket.org/birkenfeld/pygments-main/pull-requests/501/fix-shell-injection-in/diff
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
http://www.openwall.com/lists/oss-security/2015/12/14/6
http://packetstormsecurity.com/files/133823/Pygments-FontManager._get_nix_font_path-Shell-Injection.html
https://github.com/pygments/pygments/commit/db6dd826f8624179e563aaded391efe824462f51
http://www.openwall.com/lists/oss-security/2015/12/14/17
https://nvd.nist.gov/vuln/detail/CVE-2015-8557
http://seclists.org/fulldisclosure/2015/Oct/4
https://github.com/pypa/advisory-database/tree/main/vulns/pygments/PYSEC-2016-32.yaml
https://github.com/pygments/pygments
http://www.ubuntu.com/usn/USN-2862-1
https://access.redhat.com/security/cve/CVE-2015-8557
https://github.com/advisories/GHSA-fff8-4w9p-7v76
http://www.debian.org/security/2016/dsa-3445
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CVSS v4
Base Score:
9.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-78
EPSS
Base Score:
6.68