CVE-2015-7236

Use-after-free vulnerability in xprt_set_caller in rpcb_svc_com.c in rpcbind 0.2.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via crafted packets, involving a PMAP_CALLIT code.

Published: 2015-10-01 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-7236 is rated Moderate Risk (61/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.17%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-7236

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 2026-05-13 4.25% 4.17% -0.08%
2 2026-04-08 7.68% 4.25% -3.42%
3 2025-12-28 7.68%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-7236

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-7236

OS Trackers for CVE-2015-7236

vendor priority summary link
debian not yet assigned CVE-2015-7236 not yet assigned priority: Debian including 1 source packages (rpcbind), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-7236
gentoo normal CVE-2015-7236: 1 GLSA(s) (201611-17), 1 atom(s) (net-nds/rpcbind); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-7236
redhat medium https://access.redhat.com/security/cve/CVE-2015-7236
suse high CVE-2015-7236 severity important: SUSE including 248 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 293 product×package rows across 60 product lines (HPE Helion OpenStack 8, SUSE Liberty Linux 7, … (60 product lines)): Known Affected 157, Fixed 119, Known Not Affected 17. https://www.suse.com/security/cve/CVE-2015-7236/
ubuntu medium CVE-2015-7236 medium priority: Ubuntu including 1 source packages (rpcbind), 4 status rows across 4 suites (precise, trusty, upstream, vivid): released 3, needed 1. https://ubuntu.com/security/CVE-2015-7236

NVD evaluator notes for CVE-2015-7236

Comment: <a href="http://cwe.mitre.org/data/definitions/416.html">CWE-416: Use After Free</a>

Affected software / configurations for CVE-2015-7236

Vendor Product Version Raw CPE
rpcbind_project rpcbind <= 0.2.1 cpe:2.3:a:rpcbind_project:rpcbind:*:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 15.04 cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
oracle solaris 10 cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*
oracle solaris 11.3 cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*

References for CVE-2015-7236

cvelogic Threat Intelligence