Vulnerabilities (CVE)

Filtered by vendor Pidgin Subscribe
Filtered by product Pidgin
Total 89 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2014-3694 4 Canonical, Debian, Opensuse and 1 more 4 Ubuntu Linux, Debian Linux, Opensuse and 1 more 2025-04-12 6.4 MEDIUM N/A
The (1) bundled GnuTLS SSL/TLS plugin and the (2) bundled OpenSSL SSL/TLS plugin in libpurple in Pidgin before 2.10.10 do not properly consider the Basic Constraints extension during verification of X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
CVE-2011-4939 1 Pidgin 1 Pidgin 2025-04-11 6.4 MEDIUM N/A
The pidgin_conv_chat_rename_user function in gtkconv.c in Pidgin before 2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by changing a nickname while in an XMPP chat room.
CVE-2011-2943 1 Pidgin 2 Libpurple, Pidgin 2025-04-11 4.3 MEDIUM N/A
The irc_msg_who function in msgs.c in the IRC protocol plugin in libpurple 2.8.0 through 2.9.0 in Pidgin before 2.10.0 does not properly validate characters in nicknames, which allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted nickname that is not properly handled in a WHO response.
CVE-2013-6481 1 Pidgin 1 Pidgin 2025-04-11 5.0 MEDIUM N/A
libpurple/protocols/yahoo/libymsg.c in Pidgin before 2.10.8 allows remote attackers to cause a denial of service (crash) via a Yahoo! P2P message with a crafted length field, which triggers a buffer over-read.
CVE-2012-3374 1 Pidgin 1 Pidgin 2025-04-11 7.5 HIGH N/A
Buffer overflow in markup.c in the MXit protocol plugin in libpurple in Pidgin before 2.10.5 allows remote attackers to execute arbitrary code via a crafted inline image in a message.
CVE-2011-3594 1 Pidgin 2 Libpurple, Pidgin 2025-04-11 4.3 MEDIUM N/A
The g_markup_escape_text function in the SILC protocol plug-in in libpurple 2.10.0 and earlier, as used in Pidgin and possibly other products, allows remote attackers to cause a denial of service (crash) via invalid UTF-8 sequences that trigger use of invalid pointers and an out-of-bounds read, related to interactions with certain versions of glib2.
CVE-2011-3184 1 Pidgin 1 Pidgin 2025-04-11 4.3 MEDIUM N/A
The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.0 does not properly handle HTTP 100 responses, which allows remote attackers to cause a denial of service (incorrect memory access and application crash) via vectors involving a crafted server message.
CVE-2010-1624 2 Canonical, Pidgin 2 Ubuntu Linux, Pidgin 2025-04-11 5.0 MEDIUM N/A
The msn_emoticon_msg function in slp.c in the MSN protocol plugin in libpurple in Pidgin before 2.7.0 allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a custom emoticon in a malformed SLP message.
CVE-2013-6489 1 Pidgin 1 Pidgin 2025-04-11 5.0 MEDIUM N/A
Integer signedness error in the MXit functionality in Pidgin before 2.10.8 allows remote attackers to cause a denial of service (segmentation fault) via a crafted emoticon value, which triggers an integer overflow and a buffer overflow.
CVE-2013-6486 1 Pidgin 1 Pidgin 2025-04-11 9.3 HIGH N/A
gtkutils.c in Pidgin before 2.10.8 on Windows allows user-assisted remote attackers to execute arbitrary programs via a message containing a file: URL that is improperly handled during construction of an explorer.exe command. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-3185.
CVE-2010-4528 1 Pidgin 2 Libpurple, Pidgin 2025-04-11 4.0 MEDIUM N/A
directconn.c in the MSN protocol plugin in libpurple 2.7.6 through 2.7.8 in Pidgin before 2.7.9 allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a short p2pv2 packet in a DirectConnect (aka direct connection) session.
CVE-2011-3185 2 Microsoft, Pidgin 2 Windows, Pidgin 2025-04-11 9.3 HIGH N/A
gtkutils.c in Pidgin before 2.10.0 on Windows allows user-assisted remote attackers to execute arbitrary programs via a file: URL in a message.
CVE-2013-6478 1 Pidgin 1 Pidgin 2025-04-11 4.3 MEDIUM N/A
gtkimhtml.c in Pidgin before 2.10.8 does not properly interact with underlying library support for wide Pango layouts, which allows user-assisted remote attackers to cause a denial of service (application crash) via a long URL that is examined with a tooltip.
CVE-2013-0271 1 Pidgin 1 Pidgin 2025-04-11 5.0 MEDIUM N/A
The MXit protocol plugin in libpurple in Pidgin before 2.10.7 might allow remote attackers to create or overwrite files via a crafted (1) mxit or (2) mxit/imagestrips pathname.
CVE-2012-1178 1 Pidgin 1 Pidgin 2025-04-11 5.0 MEDIUM N/A
The msn_oim_report_to_user function in oim.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.2 allows remote servers to cause a denial of service (application crash) via an OIM message that lacks UTF-8 encoding.
CVE-2010-3711 1 Pidgin 1 Pidgin 2025-04-11 4.0 MEDIUM N/A
libpurple in Pidgin before 2.7.4 does not properly validate the return value of the purple_base64_decode function, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a crafted message, related to the plugins for MSN, MySpaceIM, XMPP, and Yahoo! and the NTLM authentication support.
CVE-2010-0423 1 Pidgin 1 Pidgin 2025-04-11 5.0 MEDIUM N/A
gtkimhtml.c in Pidgin before 2.6.6 allows remote attackers to cause a denial of service (CPU consumption and application hang) by sending many smileys in a (1) IM or (2) chat.
CVE-2012-6152 1 Pidgin 1 Pidgin 2025-04-11 5.0 MEDIUM N/A
The Yahoo! protocol plugin in libpurple in Pidgin before 2.10.8 does not properly validate UTF-8 data, which allows remote attackers to cause a denial of service (application crash) via crafted byte sequences.
CVE-2010-2528 1 Pidgin 1 Pidgin 2025-04-11 4.0 MEDIUM N/A
The clientautoresp function in family_icbm.c in the oscar protocol plugin in libpurple in Pidgin before 2.7.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via an X-Status message that lacks the expected end tag for a (1) desc or (2) title element.
CVE-2010-0420 1 Pidgin 1 Pidgin 2025-04-11 4.3 MEDIUM N/A
libpurple in Finch in Pidgin before 2.6.6, when an XMPP multi-user chat (MUC) room is used, does not properly parse nicknames containing <br> sequences, which allows remote attackers to cause a denial of service (application crash) via a crafted nickname.