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Unrated severityNVD Advisory· Published Aug 24, 2015· Updated Jun 17, 2026

CVE-2015-6525

CVE-2015-6525

Description

Multiple integer overflows in the evbuffer API in Libevent 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_prepend, (3) evbuffer_expand, (4) exbuffer_reserve_space, or (5) evbuffer_read function, which triggers a heap-based buffer overflow or an infinite loop. NOTE: this identifier was SPLIT from CVE-2014-6272 per ADT3 due to different affected versions.

AI Insight

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Affected products

27
  • Libevent Project/Libevent26 versions
    cpe:2.3:a:libevent_project:libevent:2.0.1:*:*:*:*:*:*:*+ 25 more
    • cpe:2.3:a:libevent_project:libevent:2.0.1:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.10:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.11:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.12:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.13:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.14:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.15:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.16:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.17:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.18:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.19:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.2:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.20:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.21:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.3:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.4:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.5:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.6:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.7:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.8:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.0.9:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.1.2:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.1.3:*:*:*:*:*:*:*
    • cpe:2.3:a:libevent_project:libevent:2.1.4:*:*:*:*:*:*:*
    • (no CPE)range: 2.0.x before 2.0.22 and 2.1.x before 2.1.5-beta
  • Debian/linux
    cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

2

News mentions

0

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