CVE-2015-4556

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.06% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 79.9% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2017-03-29 14:00Z9 YR AGO

Last updated

2024-08-06 06:18Z2 YR AGO

Reserved

2015-06-15

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

32b0bb282205b973fdf202262c026581ae0dd8c871c2acf0d130b120df552957

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1231871x_refsource_CONFIRM
• seclists.org[oss-security] 20150615 Re: CVE request for buffer overrun in CHICKEN Scheme's string-translate* procedurehttp://seclists.org/oss-sec/2015/q2/712mailing-listx_refsource_MLIST
• lists.nongnu.org[chicken-hackers] 20150614 [Chicken-hackers] [PATCH] [SECURITY] Fix buffer overrun in string-translate*http://lists.nongnu.org/archive/html/chicken-hackers/2015-06/msg00037.htmlmailing-listx_refsource_MLIST
• lists.nongnu.org[chicken-announce] 20150615 [Chicken-announce] [SECURITY] Potential buffer overrun in string-translate*http://lists.nongnu.org/archive/html/chicken-announce/2015-06/msg00010.htmlmailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-201612-54https://security.gentoo.org/glsa/201612-54vendor-advisoryx_refsource_GENTOO
• www.securityfocus.com97293http://www.securityfocus.com/bid/97293vdb-entryx_refsource_BID