CVE-2015-1821

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

3.41% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 88.3% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

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

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2015-04-16 14:00Z11 YR AGO

Last updated

2024-08-06 04:54Z2 YR AGO

Reserved

2015-02-17

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

7077ded32541b0509c3a9f685653275668855ec85b6be376fc1c90dd89c2fd17

• www.debian.orgDSA-3222http://www.debian.org/security/2015/dsa-3222vendor-advisoryx_refsource_DEBIAN
• listengine.tuxfamily.org[chrony-announce] 20150407 chrony-1.31.1 released (security)http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.htmlmailing-listx_refsource_MLIST
• www.securityfocus.com73955http://www.securityfocus.com/bid/73955vdb-entryx_refsource_BID
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlx_refsource_CONFIRM
• security.gentoo.orgGLSA-201507-01https://security.gentoo.org/glsa/201507-01vendor-advisoryx_refsource_GENTOO