CVE-2014-6272

highpriority · track · 31EPSS 0.021 · 81 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.08% (81st) EPSS

CVSS 7.5 · high

Is it mine?

46 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Multiple integer overflows in the evbuffer API in Libevent 1.4.x before 1.4.15, 2.0.x before 2.0.22, and 2.1.x before 2.1.5-beta allow context-dependent attackers to cause a denial of service or possibly have other unspecified impact via "insanely large inputs" to the (1) evbuffer_add, (2) evbuffer_expand, or (3) bufferevent_write function, which triggers a heap-based buffer overflow or an infinite loop. NOTE: this identifier has been SPLIT per ADT3 due to different affected versions. See CVE-2015-6525 for the functions that are only affected in 2.0 and later.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Psecondary · FSTEC (BDU) RU

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-189USprimaryCWE-189US

affected products (46)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Libevent project Libevent1.4 → 1.4.15fstec_bduRU
Libevent project Libevent2.0 → 2.0.22fstec_bduRU
Libevent project Libevent2.1 → 2.1.5-betafstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 7fstec_bduRU
debian debian linux= 7.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.0nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.1nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.10nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.11nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.12nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.13nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.14nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.2nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.3nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.4nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.5nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.6nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.7nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*
libevent project libevent= 1.4.8nvdUScpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*

showing 20 of 46

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2015-08-24modified 2026-06-17

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+1337 more

references (13)

External citations — patches, advisories, analysis.

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