CVE-2011-2940

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

5.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 92.3% 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 2026-06-16.

Red Hat severity

Important. 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

2011-08-25 14:00Z15 YR AGO

Last updated

2024-08-06 23:15Z2 YR AGO

Reserved

2011-07-27

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

Data version

5.1

Document digest

f33693a25f7486360e3943e82ed58bb4bb5600a01abf155b444f3350ae549676

• www.openwall.com[oss-security] 20110819 CVE request: stunnel 4.4x heap overflow flawhttp://www.openwall.com/lists/oss-security/2011/08/19/6mailing-listx_refsource_MLIST
• securitytracker.com1025959http://securitytracker.com/id?1025959vdb-entryx_refsource_SECTRACK
• www.openwall.com[oss-security] 20110819 Re: CVE request: stunnel 4.4x heap overflow flawhttp://www.openwall.com/lists/oss-security/2011/08/19/18mailing-listx_refsource_MLIST
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=732068x_refsource_CONFIRM
• stunnel.orghttp://stunnel.org/?page=sdf_ChangeLogx_refsource_CONFIRM
• www.securityfocus.com49254http://www.securityfocus.com/bid/49254vdb-entryx_refsource_BID
• www.stunnel.org[stunnel-announce] 20110818 stunnel 4.42 releasedhttp://www.stunnel.org/pipermail/stunnel-announce/2011-August/000059.htmlmailing-listx_refsource_MLIST
• www.osvdb.org74600http://www.osvdb.org/74600vdb-entryx_refsource_OSVDB
• secunia.com45705http://secunia.com/advisories/45705third-party-advisoryx_refsource_SECUNIA
• exchange.xforce.ibmcloud.comstunnel-unspecifed-code-execution(69318)https://exchange.xforce.ibmcloud.com/vulnerabilities/69318vdb-entryx_refsource_XF