Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 7.1 |
| Libevent Project | Libevent | 2.0.1 |
Related Weaknesses (CWE)
References
- http://archives.seul.org/libevent/users/Jan-2015/msg00010.htmlVendor Advisory
- http://www.debian.org/security/2015/dsa-3119
- http://archives.seul.org/libevent/users/Jan-2015/msg00010.htmlVendor Advisory
- http://www.debian.org/security/2015/dsa-3119
FAQ
What is CVE-2015-6525?
CVE-2015-6525 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 unspeci...
How severe is CVE-2015-6525?
CVE-2015-6525 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-6525?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Libevent Project Libevent.