ubuntu-cve-2019-25544
Vulnerability from osv_ubuntu
Published
2026-03-21 13:16
Modified
2026-05-20 14:51
Summary
Details
Pidgin 2.13.0 contains a denial of service vulnerability that allows local attackers to crash the application by providing an excessively long username string during account creation. Attackers can input a buffer of 1000 characters in the username field and trigger a crash when joining a chat, causing the application to become unavailable.
Severity
6.2 (Medium)
5.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finch",
"binary_version": "1:2.10.9-0ubuntu3.4"
},
{
"binary_name": "libpurple-bin",
"binary_version": "1:2.10.9-0ubuntu3.4"
},
{
"binary_name": "libpurple0",
"binary_version": "1:2.10.9-0ubuntu3.4"
},
{
"binary_name": "pidgin",
"binary_version": "1:2.10.9-0ubuntu3.4"
},
{
"binary_name": "pidgin-data",
"binary_version": "1:2.10.9-0ubuntu3.4"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "pidgin",
"purl": "pkg:deb/ubuntu/pidgin@1:2.10.9-0ubuntu3.4?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.10.7-0ubuntu4.1",
"1:2.10.7-0ubuntu4.2",
"1:2.10.9-0ubuntu1",
"1:2.10.9-0ubuntu2",
"1:2.10.9-0ubuntu3",
"1:2.10.9-0ubuntu3.1",
"1:2.10.9-0ubuntu3.2",
"1:2.10.9-0ubuntu3.3",
"1:2.10.9-0ubuntu3.4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finch",
"binary_version": "1:2.10.12-0ubuntu5.2"
},
{
"binary_name": "libpurple-bin",
"binary_version": "1:2.10.12-0ubuntu5.2"
},
{
"binary_name": "libpurple0",
"binary_version": "1:2.10.12-0ubuntu5.2"
},
{
"binary_name": "pidgin",
"binary_version": "1:2.10.12-0ubuntu5.2"
},
{
"binary_name": "pidgin-data",
"binary_version": "1:2.10.12-0ubuntu5.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "pidgin",
"purl": "pkg:deb/ubuntu/pidgin@1:2.10.12-0ubuntu5.2?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.10.11-0ubuntu4",
"1:2.10.11-0ubuntu5",
"1:2.10.12-0ubuntu1",
"1:2.10.12-0ubuntu2",
"1:2.10.12-0ubuntu3",
"1:2.10.12-0ubuntu4",
"1:2.10.12-0ubuntu5",
"1:2.10.12-0ubuntu5.1",
"1:2.10.12-0ubuntu5.2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finch",
"binary_version": "1:2.12.0-1ubuntu4"
},
{
"binary_name": "libpurple-bin",
"binary_version": "1:2.12.0-1ubuntu4"
},
{
"binary_name": "libpurple0",
"binary_version": "1:2.12.0-1ubuntu4"
},
{
"binary_name": "pidgin",
"binary_version": "1:2.12.0-1ubuntu4"
},
{
"binary_name": "pidgin-data",
"binary_version": "1:2.12.0-1ubuntu4"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "pidgin",
"purl": "pkg:deb/ubuntu/pidgin@1:2.12.0-1ubuntu4?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.12.0-1ubuntu2",
"1:2.12.0-1ubuntu4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finch",
"binary_version": "1:2.13.0-2.2ubuntu4"
},
{
"binary_name": "libpurple-bin",
"binary_version": "1:2.13.0-2.2ubuntu4"
},
{
"binary_name": "libpurple0",
"binary_version": "1:2.13.0-2.2ubuntu4"
},
{
"binary_name": "pidgin",
"binary_version": "1:2.13.0-2.2ubuntu4"
},
{
"binary_name": "pidgin-data",
"binary_version": "1:2.13.0-2.2ubuntu4"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "pidgin",
"purl": "pkg:deb/ubuntu/pidgin@1:2.13.0-2.2ubuntu4?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.13.0-2.2ubuntu1",
"1:2.13.0-2.2ubuntu2",
"1:2.13.0-2.2ubuntu3",
"1:2.13.0-2.2ubuntu4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finch",
"binary_version": "1:2.14.8-1ubuntu2.1"
},
{
"binary_name": "libpurple-bin",
"binary_version": "1:2.14.8-1ubuntu2.1"
},
{
"binary_name": "libpurple0",
"binary_version": "1:2.14.8-1ubuntu2.1"
},
{
"binary_name": "pidgin",
"binary_version": "1:2.14.8-1ubuntu2.1"
},
{
"binary_name": "pidgin-data",
"binary_version": "1:2.14.8-1ubuntu2.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "pidgin",
"purl": "pkg:deb/ubuntu/pidgin@1:2.14.8-1ubuntu2.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.14.1-1ubuntu1",
"1:2.14.8-1ubuntu1",
"1:2.14.8-1ubuntu2",
"1:2.14.8-1ubuntu2.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finch",
"binary_version": "1:2.14.13-1ubuntu2"
},
{
"binary_name": "libpurple-bin",
"binary_version": "1:2.14.13-1ubuntu2"
},
{
"binary_name": "libpurple0t64",
"binary_version": "1:2.14.13-1ubuntu2"
},
{
"binary_name": "pidgin",
"binary_version": "1:2.14.13-1ubuntu2"
},
{
"binary_name": "pidgin-data",
"binary_version": "1:2.14.13-1ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "pidgin",
"purl": "pkg:deb/ubuntu/pidgin@1:2.14.13-1ubuntu2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.14.12-1ubuntu1",
"1:2.14.12-1ubuntu2",
"1:2.14.13-1ubuntu1",
"1:2.14.13-1ubuntu2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finch",
"binary_version": "1:2.14.14-1ubuntu2"
},
{
"binary_name": "libpurple-bin",
"binary_version": "1:2.14.14-1ubuntu2"
},
{
"binary_name": "libpurple0t64",
"binary_version": "1:2.14.14-1ubuntu2"
},
{
"binary_name": "pidgin",
"binary_version": "1:2.14.14-1ubuntu2"
},
{
"binary_name": "pidgin-data",
"binary_version": "1:2.14.14-1ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "pidgin",
"purl": "pkg:deb/ubuntu/pidgin@1:2.14.14-1ubuntu2?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.14.14-1ubuntu1",
"1:2.14.14-1ubuntu2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finch",
"binary_version": "1:2.14.14-1ubuntu3"
},
{
"binary_name": "libpurple-bin",
"binary_version": "1:2.14.14-1ubuntu3"
},
{
"binary_name": "libpurple0t64",
"binary_version": "1:2.14.14-1ubuntu3"
},
{
"binary_name": "pidgin",
"binary_version": "1:2.14.14-1ubuntu3"
},
{
"binary_name": "pidgin-data",
"binary_version": "1:2.14.14-1ubuntu3"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "pidgin",
"purl": "pkg:deb/ubuntu/pidgin@1:2.14.14-1ubuntu3?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.14.14-1ubuntu2",
"1:2.14.14-1ubuntu3"
]
}
],
"aliases": [],
"details": "Pidgin 2.13.0 contains a denial of service vulnerability that allows local attackers to crash the application by providing an excessively long username string during account creation. Attackers can input a buffer of 1000 characters in the username field and trigger a crash when joining a chat, causing the application to become unavailable.",
"id": "UBUNTU-CVE-2019-25544",
"modified": "2026-05-20T14:51:51Z",
"published": "2026-03-21T13:16:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-25544"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-25544"
},
{
"type": "REPORT",
"url": "https://pidgin.im/"
},
{
"type": "REPORT",
"url": "https://www.exploit-db.com/exploits/46930"
},
{
"type": "REPORT",
"url": "https://www.vulncheck.com/advisories/pidgin-denial-of-service-via-malformed-username"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2019-25544"
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…