Use-after-free vulnerability in bitlbee-libpurple before 3.5 allows remote servers to cause a denial of service (crash) or possibly execute arbitrary code by causing a file transfer connection to expire.
Conclusion & alert: CVE-2016-10188 is rated High Risk (70.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.94%). Core evidence: EPSS rose +1.42% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.53% | 2.94% | +1.42% |
| 2 | 2026-04-29 | 1.20% | 1.53% | +0.33% |
| 3 | 2025-11-15 | — | 1.20% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-10188 not yet assigned priority: Debian including 1 source packages (bitlbee), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. | https://security-tracker.debian.org/tracker/CVE-2016-10188 |
ubuntu
|
medium | CVE-2016-10188 medium priority: Ubuntu including 1 source packages (bitlbee), 23 status rows across 23 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): not-affected 18, ignored 2, DNE 1, needed 1, released 1. | https://ubuntu.com/security/CVE-2016-10188 |
| URL | Tags |
|---|---|
| http://www.debian.org/security/2017/dsa-3853 | |
| http://www.openwall.com/lists/oss-security/2017/01/30/4 | Mailing List Patch Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2017/01/31/11 | Mailing List Patch Third Party Advisory |
| http://www.securityfocus.com/bid/95935 | |
| https://bugs.bitlbee.org/ticket/1281 | Issue Tracking Patch VDB Entry |