Medium
pidgin — security advisory
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.
- Products
- pidgin
- Affected 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, 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, 1:2.12.0-1ubuntu2, 1:2.12.0-1ubuntu4, 1:2.13.0-2.2ubuntu1, 1:2.13.0-2.2ubuntu2, 1:2.13.0-2.2ubuntu3, 1:2.13.0-2.2ubuntu4, 1:2.14.1-1ubuntu1, 1:2.14.12-1ubuntu1, 1:2.14.12-1ubuntu2, 1:2.14.13-1ubuntu1, 1:2.14.13-1ubuntu2, 1:2.14.14-1ubuntu1, 1:2.14.14-1ubuntu2, 1:2.14.14-1ubuntu3, 1:2.14.14-1ubuntu4, 1:2.14.8-1ubuntu1, 1:2.14.8-1ubuntu2, 1:2.14.8-1ubuntu2.1
- Fixed versions
- Not specified
- CVEs
- CVE-2019-25544
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:36 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2019-25544
pidgin
Fixed versions: Not specified
pidgin
Fixed versions: Not specified
pidgin
Fixed versions: Not specified
pidgin
Fixed versions: Not specified
pidgin
Fixed versions: Not specified
pidgin
Fixed versions: Not specified
pidgin
Fixed versions: Not specified
pidgin
Fixed versions: Not specified
pidgin
Fixed versions: Not specified
Complete source record
{
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"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2019-25544",
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],
"modified": "2026-10-17T12:55:50.084155372Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2019-25544",
"https://www.cve.org/CVERecord?id=CVE-2019-25544",
"https://pidgin.im/",
"https://www.exploit-db.com/exploits/46930",
"https://www.vulncheck.com/advisories/pidgin-denial-of-service-via-malformed-username"
]
},
"related_cves": [
{
"value": "CVE-2019-25544",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/2/score"
},
"source_id": "core-osv",
"document_id": 354125,
"published_at": "2026-03-21T13:16:00+00:00"
}