CVE-2011-2939

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

2.55% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 84.9% 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

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

2012-01-13 18:00Z14 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-189
• CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

71b581e520b0053c1682d0b67a24db7786e04230c0917495ff9e21d709b3afc0

• secunia.com46989http://secunia.com/advisories/46989third-party-advisoryx_refsource_SECUNIA
• cpansearch.perl.orghttp://cpansearch.perl.org/src/FLORA/perl-5.14.2/pod/perldelta.podx_refsource_CONFIRM
• secunia.com55314http://secunia.com/advisories/55314third-party-advisoryx_refsource_SECUNIA
• www.ubuntu.comUSN-1643-1http://www.ubuntu.com/usn/USN-1643-1vendor-advisoryx_refsource_UBUNTU
• www.securityfocus.com49858http://www.securityfocus.com/bid/49858vdb-entryx_refsource_BID
• www.openwall.com[oss-security] 20110818 CVE request: heap overflow in perl while decoding Unicode stringhttp://www.openwall.com/lists/oss-security/2011/08/18/8mailing-listx_refsource_MLIST
• perl5.git.perl.orghttp://perl5.git.perl.org/perl.git/commitdiff/e46d973584785af1f445c4dedbee4243419cb860#patch5x_refsource_CONFIRM
• secunia.com46172http://secunia.com/advisories/46172third-party-advisoryx_refsource_SECUNIA
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=731246x_refsource_CONFIRM
• search.cpan.orghttp://search.cpan.org/~flora/perl-5.14.2/pod/perldelta.pod#Encode_decode_xs_n-byte_heap-overflow_%28CVE-2011-2939%29x_refsource_CONFIRM
• www.mandriva.comMDVSA-2012:008http://www.mandriva.com/security/advisories?name=MDVSA-2012:008vendor-advisoryx_refsource_MANDRIVA
• www.redhat.comRHSA-2011:1424http://www.redhat.com/support/errata/RHSA-2011-1424.htmlvendor-advisoryx_refsource_REDHAT
• www.openwall.com[oss-security] 20110819 Re: CVE request: heap overflow in perl while decoding Unicode stringhttp://www.openwall.com/lists/oss-security/2011/08/19/17mailing-listx_refsource_MLIST
• secunia.com51457http://secunia.com/advisories/51457third-party-advisoryx_refsource_SECUNIA