CVE-2016-10195: debian debian_linux Out-of-bounds Read
CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2016-10195UBUNTU-CVE-2016-10195DEBIAN-CVE-2016-10195
Published 15-03-2017Last modified 06-08-2024
Vulnerability summary
CVE-2016-10195 is a critical (CVSS 9.8) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 6.68% chance of exploitation in the next 30 days, higher than 93.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
6.68%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 10 · Duplicates 1 · Related 4Timeline
- 15-03-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified impact via vectors involving the label_len variable, which triggers an out-of-bounds stack read.
CVSS metrics
6 scores · 4 sources · 3 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Critical 9.8Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
6.68%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 6.68% on 19-09-2026
19-09-202619-10-2026
EPSS score6.68%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundLibevent
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Ubuntu3 products
- firefox< 53.0+build6-0ubuntu0.14.04.1 | < 53.0+build6-0ubuntu0.16.04.1
- libevent< 2.0.21-stable-1ubuntu1.14.04.2 | < 2.0.21-stable-2ubuntu0.16.04.1
- thunderbird< 1:52.1.1+build1-0ubuntu0.14.04.1 | < 1:52.1.1+build1-0ubuntu0.16.04.1
Debian2 products
- libevent< 2.0.21-stable-3
- debian_linuxEOL8.0
Alpine1 product
- libevent< 2.1.8-r0 | < 2.0.22-r1 | < 2.0.22-r2
Libevent_project1 product
- libevent≤ 2.1.5
4 vendors · 7 products
References
20 links
- www.openwall.com/lists/oss-security/2017/02/02/7Mailing ListX Refsource MLISTPatchThird Party Advisory
- github.com/libevent/libevent/issues/317X Refsource CONFIRMExploitIssue TrackingPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2017/01/31/17Mailing ListX Refsource MLISTPatchThird Party AdvisoryREPORT
- github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLogX Refsource CONFIRMRelease NotesThird Party Advisory
Show all 20 references
- github.com/libevent/libevent/commit/96f64a022014a208105ead6c8a7066018449d86dX Refsource CONFIRMPatchThird Party Advisory