CVE-2007-4999 json
libpurple in Pidgin 2.1.0 through 2.2.1, when using HTML logging, allows remote attackers to cause a denial of service (NULL dereference an…
published 2007-10-29 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4980
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
libpurple in Pidgin 2.1.0 through 2.2.1, when using HTML logging, allows remote attackers to cause a denial of service (NULL dereference and application crash) via a message that contains invalid HTML data, a different vector than CVE-2007-4996.
Patch / fix
- pidgin Debian 14, Debian 13, Debian 12 2.2.2-1
debian advisories DEBIAN-CVE-2007-4999
- pidgin.im/news/security/?id=24 patch
- secunia.com/advisories/27372 advisory
Exploit prediction
1.81% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
pidgin.im
/news/security/?id=24
patch
-
secunia.com
/advisories/27372
third-party-advisory, patch, vendor-advisory
-
redhat.com
/archives/fedora-package-announce/2007-November/msg00011.html
vendor-advisory
-
ubuntu.com
/usn/usn-548-1
vendor-advisory
-
securityfocus.com
/bid/26205
vdb-entry
-
vupen.com
/english/advisories/2007/3624
vdb-entry
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18357
vdb-entry, signature
-
osvdb.org
/38695
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/38132
vdb-entry
-
secunia.com
/advisories/27495
third-party-advisory
-
securityfocus.com
/archive/1/483580/100/0/threaded
mailing-list
-
secunia.com
/advisories/27858
third-party-advisory
Sources
- CVE List CVE-2007-4999
- NVD CVE-2007-4999
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.