CVE-2016-8859: etalabs musl Integer Overflow or Wraparound
Vulnerability summary
CVE-2016-8859 is a critical (CVSS 9.8) Integer Overflow or Wraparound vulnerability in etalabs musl. EPSS estimates a 3.36% chance of exploitation in the next 30 days, higher than 88.7% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 13-02-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Multiple integer overflows in the TRE library and musl libc allow attackers to cause memory corruption via a large number of (1) states or (2) tags, which triggers an out-of-bounds write.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
3.36%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.36% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- musl< 1.1.15-2
- tre< 0.8.0-5 | < 0.8.0-3+deb7u1
Ubuntu2 products
- musl< 0.9.15-1ubuntu0.1~esm1 | < 1.1.9-1ubuntu0.1~esm2
- tre< 0.8.0-3+deb7u1ubuntu1 | < 0.8.0-4+deb8u1build0.16.04.1
Alpine1 product
- musl< 1.1.15-r4 | < 1.1.11-r3 | < 1.1.12-r6 | < 1.1.14-r13
Etalabs1 product
- musl≤ 1.1.15
Opensuse1 product
- agrep&distro=openSUSE Tumbleweed< 0.8.0_git201402282055-5.8
5 vendors · 7 products
References
12 links- www.openwall.com/lists/oss-security/2016/10/19/1Mailing ListX Refsource MLISTThird Party AdvisoryREPORT
