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Fencer Intel
medium 4.3

CVE-2013-1950 json

The svc_dg_getargs function in libtirpc 0.2.3 and earlier allows remote attackers to cause a denial of service (rpcbind crash) via a Sun RP…

published 2013-07-09 13 y ago modified 2026-06-16 4 mo ago also EUVD-2013-1940

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.5%
EPSS 6.5% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

The svc_dg_getargs function in libtirpc 0.2.3 and earlier allows remote attackers to cause a denial of service (rpcbind crash) via a Sun RPC request with crafted arguments that trigger a free of an invalid pointer.

Patch / fix

  • libtirpc RHEL 6 0.2.1-6.el6_4

red hat advisories RHSA-2013:0884

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-1950 updated cvss 4.3

libtirpc: invalid pointer free leads to rpcbind daemon crash

  • Red Hat Enterprise Linux Desktop (v. 6) libtirpc 0.2.1-6.el6_4 Red Hat Enterprise Linux Desktop Optional (v. 6) libtirpc 0.2.1-6.el6_4 Red Hat Enterprise Linux HPC Node (v. 6) libtirpc 0.2.1-6.el6_4 Red Hat Enterprise Linux HPC Node Optional (v. 6) libtirpc 0.2.1-6.el6_4 Red Hat Enterprise Linux Server (v. 6) libtirpc 0.2.1-6.el6_4 Red Hat Enterprise Linux Server Optional (v. 6) libtirpc 0.2.1-6.el6_4
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 6) libtirpc 0.2.1-6.el6_4 Red Hat Enterprise Linux Workstation Optional (v. 6) libtirpc 0.2.1-6.el6_4
    fixed: vendor fix RHSA-2013:0884
  • Red Hat Enterprise Linux 5 portmap
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-26887)

Exploit prediction

6.46% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-26887 rpcbind - CALLIT procedure UDP Crash (PoC) dos, 2013-07-16

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.