CVE-2011-1091

Pidgin vulnerability

CVSS

4.0

EPSS

3.0%

EPSS pct

86th

Exploited

No known

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

Affected vendor

Pidgin

Affected product

Pidgin

CVSS vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Published

2011-03-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring single-factor authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 3.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2011-1091

Confirm whether Pidgin Pidgin is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2011-1091.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-1091

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-1091 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2011-1091?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2011-1091.

Start free scan

No credit card. Agentless.

Related vulnerabilities

Openannuaire vulnerability