CVE-2016-2369 — pidgin: MXIT CP_SOCK_REC_TERM Denial of Service Vulnerability

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MEDIUM

pidgin: MXIT CP_SOCK_REC_TERM Denial of Service Vulnerability

Published Jan 6, 2017

5.9

MEDIUM

CVSS 3.0

EPSS 2.25%

Description

A NULL pointer dereference vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent via the server could potentially result in a denial of service vulnerability. A malicious server can send a packet starting with a NULL byte triggering the vulnerability.

Affected products

Vendor Pidgin Product Pidgin Default
n/a
- Version
  2.10.11
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Pidgin

n/a

Version	Status	Constraints
2.10.11	affected	-

Red Hat Enterprise Linux 5

pidgin

Will not fix
Red Hat Enterprise Linux 6

pidgin

Will not fix
Red Hat Enterprise Linux 7

pidgin

Will not fix

Product	Package	State	Advisory
Red Hat Enterprise Linux 5	pidgin	Will not fix	n/a
Red Hat Enterprise Linux 6	pidgin	Will not fix	n/a
Red Hat Enterprise Linux 7	pidgin	Will not fix	n/a

Remediation

No remediation recorded yet.

Metrics

2.25% 0.02251

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.02251

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	2.25% (0.02251)	82.29th	v5 (v2026.06.15)
Jun 15, 2026	2.23% (0.02233)	80.41th	v5 (v2026.06.15)
Mar 30, 2025	3.14% (0.03136)	85.69th	v4 (v2025.03.14)
Mar 29, 2025	4.61% (0.04605)	81.71th	v4 (v2025.03.14)
Mar 17, 2025	3.14% (0.03136)	85.99th	v4 (v2025.03.14)
Dec 12, 2024	0.72% (0.00723)	81.29th	v3 (v2023.03.01)
Feb 8, 2024	0.72% (0.00723)	80.02th	v3 (v2023.03.01)
Mar 7, 2023	0.72% (0.00723)	77.61th	v3 (v2023.03.01)
Mar 6, 2023	1.11% (0.01108)	55.18th	v2 (v2022.01.01)
Sep 17, 2022	1.11% (0.01108)	53.57th	v2 (v2022.01.01)
Apr 1, 2022	1.11% (0.01108)	51.54th	v2 (v2022.01.01)
Feb 4, 2022	1.11% (0.01108)	29.61th	v2 (v2022.01.01)

Weaknesses (1)

CWE-476

NULL Pointer Dereference

References (11)

http://www.debian.org/security/2016/dsa-3620
vendor-advisoryx_refsource_DEBIANThird Party Advisory
http://www.pidgin.im/news/security/?id=102
x_refsource_CONFIRMPatchVendor Advisory
http://www.securityfocus.com/bid/91335
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.talosintel.com/reports/TALOS-2016-0137/
http://www.talosintelligence.com/reports/TALOS-2016-0137/
x_refsource_MISCTechnical DescriptionThird Party Advisory
http://www.ubuntu.com/usn/USN-3031-1
vendor-advisoryx_refsource_UBUNTUThird Party Advisory
https://access.redhat.com/security/cve/CVE-2016-2369
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1348869
Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2016-2369
https://security.gentoo.org/glsa/201701-38
vendor-advisoryx_refsource_GENTOO
https://www.cve.org/CVERecord?id=CVE-2016-2369

Link	Providers	Tags
http://www.debian.org/security/2016/dsa-3620		vendor-advisoryx_refsource_DEBIANThird Party Advisory
http://www.pidgin.im/news/security/?id=102		x_refsource_CONFIRMPatchVendor Advisory
http://www.securityfocus.com/bid/91335		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.talosintel.com/reports/TALOS-2016-0137/
http://www.talosintelligence.com/reports/TALOS-2016-0137/		x_refsource_MISCTechnical DescriptionThird Party Advisory
http://www.ubuntu.com/usn/USN-3031-1		vendor-advisoryx_refsource_UBUNTUThird Party Advisory
https://access.redhat.com/security/cve/CVE-2016-2369		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1348869		Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2016-2369
https://security.gentoo.org/glsa/201701-38		vendor-advisoryx_refsource_GENTOO
https://www.cve.org/CVERecord?id=CVE-2016-2369