CVE-2016-10197 The search_make_new function in evdns.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (out-of-bounds read) via an empty hostname.
HighCVSS 7.5
EPSS 5.2%
- Published
- Updated
- Exploit status
- No public exploit known
Description
The search_make_new function in evdns.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (out-of-bounds read) via an empty hostname.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/libevent(Debian:12) | < 2.0.21-stable-3 | 2.0.21-stable-3 |
| debian/libevent(Debian:13) | < 2.0.21-stable-3 | 2.0.21-stable-3 |
| debian/libevent(Debian:14) | < 2.0.21-stable-3 | 2.0.21-stable-3 |
| debian linux | = 8.0 | No fix listed |
| libevent project libevent | <= 2.1.5 | No fix listed |
| alpine/libevent(Alpine:v3.10) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.11) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.12) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.13) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.14) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.15) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.16) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.17) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.18) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.19) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.2) | < 2.0.22-r1 | 2.0.22-r1 |
| alpine/libevent(Alpine:v3.20) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.21) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.22) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.23) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.24) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.3) | < 2.0.22-r1 | 2.0.22-r1 |
| alpine/libevent(Alpine:v3.4) | < 2.0.22-r1 | 2.0.22-r1 |
| alpine/libevent(Alpine:v3.5) | < 2.0.22-r2 | 2.0.22-r2 |
| alpine/libevent(Alpine:v3.6) | < 2.1.8-r0 | 2.1.8-r0 |
Show 3 more
| Product | Affected versions | Fixed in |
|---|---|---|
| alpine/libevent(Alpine:v3.7) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.8) | < 2.1.8-r0 | 2.1.8-r0 |
| alpine/libevent(Alpine:v3.9) | < 2.1.8-r0 | 2.1.8-r0 |
References
- Debian Security Tracker CVE-2016-10197 vendor-advisory
- DSA-3789 third-party-advisory vendor-advisory
- [oss-security] 20170131 Bugs fixed in libevent 2.1.6 mailing-list third-party-advisory
- [oss-security] 20170202 Re: Bugs fixed in libevent 2.1.6 mailing-list third-party-advisory
- 96014 third-party-advisory vdb-entry
- 1038320 broken-link third-party-advisory vdb-entry
- RHSA-2017:1104 third-party-advisory vendor-advisory
- RHSA-2017:1106 third-party-advisory vendor-advisory
- RHSA-2017:1201 third-party-advisory vendor-advisory
- github.com release-notes third-party-advisory
- github.com patch third-party-advisory
- github.com exploit issue-tracking third-party-advisory
- GLSA-201705-01 third-party-advisory vendor-advisory
- security.alpinelinux.org vendor-advisory
- bugs.debian.org issue-tracking