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Fencer Vulns
high 7.1

CVE-2009-1373 json

Buffer overflow in the XMPP SOCKS5 bytestream server in Pidgin (formerly Gaim) before 2.5.6 allows remote authenticated users to execute ar…

published 2009-05-26 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1371

cvss
7.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.3%
EPSS 4.3% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

Buffer overflow in the XMPP SOCKS5 bytestream server in Pidgin (formerly Gaim) before 2.5.6 allows remote authenticated users to execute arbitrary code via vectors involving an outbound XMPP file transfer. NOTE: some of these details are obtained from third party information.

Patch / fix

  • pidgin Debian 14, Debian 13, Debian 12 2.5.6-1

debian advisories DEBIAN-CVE-2009-1373

  • pidgin RHEL 4 2.5.5-2.el4
  • pidgin RHEL 5 2.5.5-3.el5
  • finch RHEL 4 2.5.5-2.el4
  • finch RHEL 5 2.5.5-3.el5
  • libpurple RHEL 4 2.5.5-2.el4
  • libpurple RHEL 5 2.5.5-3.el5
  • pidgin-perl RHEL 4 2.5.5-2.el4
  • pidgin-perl RHEL 5 2.5.5-3.el5

red hat advisories RHSA-2009:1060RHSA-2009:1059

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-2009-1373 updated cvss 6.0

pidgin file transfer buffer overflow

  • Red Hat Desktop version 3 pidgin 1.5.1-3.el3 Red Hat Enterprise Linux AS version 3 pidgin 1.5.1-3.el3
    fixed: vendor fix RHSA-2009:1059
  • Red Hat Enterprise Linux AS version 4 finch 2.5.5-2.el4, pidgin 2.5.5-2.el4, libpurple 2.5.5-2.el4, pidgin-perl 2.5.5-2.el4, libpurple-tcl 2.5.5-2.el4, libpurple-perl 2.5.5-2.el4 Red Hat Enterprise Linux Desktop (v. 5 client) finch 2.5.5-3.el5, pidgin 2.5.5-3.el5, libpurple 2.5.5-3.el5, pidgin-perl 2.5.5-3.el5, libpurple-tcl 2.5.5-3.el5, libpurple-perl 2.5.5-3.el5 Red Hat Enterprise Linux Desktop version 4 finch 2.5.5-2.el4, pidgin 2.5.5-2.el4, libpurple 2.5.5-2.el4, pidgin-perl 2.5.5-2.el4, libpurple-tcl 2.5.5-2.el4, libpurple-perl 2.5.5-2.el4 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) finch 2.5.5-3.el5, pidgin 2.5.5-3.el5, libpurple 2.5.5-3.el5, pidgin-perl 2.5.5-3.el5, libpurple-tcl 2.5.5-3.el5, libpurple-perl 2.5.5-3.el5
    fixed: vendor fix RHSA-2009:1060
  • Red Hat Enterprise Linux ES version 3 pidgin 1.5.1-3.el3
    fixed: vendor fix RHSA-2009:1059
  • Red Hat Enterprise Linux ES version 4 finch 2.5.5-2.el4, pidgin 2.5.5-2.el4, libpurple 2.5.5-2.el4, pidgin-perl 2.5.5-2.el4, libpurple-tcl 2.5.5-2.el4, libpurple-perl 2.5.5-2.el4
    fixed: vendor fix RHSA-2009:1060
  • Red Hat Enterprise Linux WS version 3 pidgin 1.5.1-3.el3
    fixed: vendor fix RHSA-2009:1059
  • Red Hat Enterprise Linux WS version 4 finch 2.5.5-2.el4, pidgin 2.5.5-2.el4, libpurple 2.5.5-2.el4, pidgin-perl 2.5.5-2.el4, libpurple-tcl 2.5.5-2.el4, libpurple-perl 2.5.5-2.el4
    fixed: vendor fix RHSA-2009:1060

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

Exploit prediction

4.27% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.1 AV:N/AC:H/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns 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.