CVE-2012-2676 — Multiple integer overflows in the (1) malloc and (2) calloc functions in Hoard before 3.9 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows on implementing code via a large size value, which causes less memory to be allocated than expected

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MEDIUM

Multiple integer overflows in the (1) malloc and (2) calloc functions in Hoard before 3.9 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows on implementing code via a large size value, which causes less memory to be allocated than expected

Published Jul 25, 2012

4.3

MEDIUM

CVSS 2.0

EPSS 1.14%

Description

Multiple integer overflows in the (1) malloc and (2) calloc functions in Hoard before 3.9 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows on implementing code via a large size value, which causes less memory to be allocated than expected.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.14% 0.01135

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01135

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.14% (0.01135)	65.30th	v5 (v2026.06.15)
Jun 15, 2026	1.14% (0.01135)	62.21th	v5 (v2026.06.15)
Mar 17, 2025	0.34% (0.00338)	54.36th	v4 (v2025.03.14)
Dec 12, 2024	0.18% (0.00175)	55.95th	v3 (v2023.03.01)
Jun 21, 2024	0.18% (0.00175)	54.85th	v3 (v2023.03.01)
Mar 7, 2023	0.18% (0.00175)	52.84th	v3 (v2023.03.01)
Mar 6, 2023	1.02% (0.01018)	40.69th	v2 (v2022.01.01)
Sep 10, 2022	1.02% (0.01018)	38.88th	v2 (v2022.01.01)
Apr 1, 2022	1.02% (0.01018)	36.86th	v2 (v2022.01.01)
Feb 4, 2022	1.02% (0.01018)	19.50th	v2 (v2022.01.01)

Weaknesses (1)

CWE-189

References (4)

http://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited/
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2012/06/05/1
mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2012/06/07/13
mailing-listx_refsource_MLIST
https://github.com/emeryberger/Hoard/blob/master/NEWS
x_refsource_CONFIRM

Link	Providers	Tags
http://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited/		x_refsource_MISC
http://www.openwall.com/lists/oss-security/2012/06/05/1		mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2012/06/07/13		mailing-listx_refsource_MLIST
https://github.com/emeryberger/Hoard/blob/master/NEWS		x_refsource_CONFIRM

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner redhat

Published Jul 25, 2012

Updated Aug 6, 2024

Reserved May 14, 2012

Link CVE-2012-2676

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2012-2676

Red Hat

Severity n/a

Public date n/a

Links CVE-2012-2676