CVE-2015-8557
9.0
CRITICAL · CVSS 3.0 · EPSS 6.7% (pctl 94)
In your normal cycle
Critical by CVSS (9), but no sign of active exploitation.
Description
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.
Scoring
| CVSS | 9.0 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| EPSS | 6.72% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2016-01-08 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| pygments | pygments |
References
- http://packetstormsecurity.com/files/133823/Pygments-FontManager._get_nix_font_path-Shell-Injection.html
- http://seclists.org/fulldisclosure/2015/Oct/4
- http://www.debian.org/security/2016/dsa-3445
- http://www.openwall.com/lists/oss-security/2015/12/14/17
- http://www.openwall.com/lists/oss-security/2015/12/14/6
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- http://www.ubuntu.com/usn/USN-2862-1
- https://bitbucket.org/birkenfeld/pygments-main/pull-requests/501/fix-shell-injection-in/diff
- https://security.gentoo.org/glsa/201612-05
- http://packetstormsecurity.com/files/133823/Pygments-FontManager._get_nix_font_path-Shell-Injection.html
- http://seclists.org/fulldisclosure/2015/Oct/4
- http://www.debian.org/security/2016/dsa-3445
- http://www.openwall.com/lists/oss-security/2015/12/14/17
- http://www.openwall.com/lists/oss-security/2015/12/14/6
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- http://www.ubuntu.com/usn/USN-2862-1
- https://bitbucket.org/birkenfeld/pygments-main/pull-requests/501/fix-shell-injection-in/diff
- https://security.gentoo.org/glsa/201612-05
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