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CVE-2007-4999

libpurple in Pidgin 2.1.0 through 2.2.1, when using HTML logging, allows remote attackers to...

4.3 MediumFix available

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.

Exploit likelihood

1.81%Down 0.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

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.

Record
CVE-2007-4999
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2007-4999
Updated
2026-11-02
EUVDEUVD-2007-4980 No score

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.

Record
EUVD-2007-4980
Updated
2026-11-03
GitHub AdvisoriesGHSA-qcj3-h9mr-5c65 No score

libpurple in Pidgin 2.1.0 through 2.2.1, when using HTML logging, allows remote attackers to...

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.

Record
GHSA-qcj3-h9mr-5c65
Weakness
CWE-20
Updated
2026-11-02
OSV No score

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.

Record
CVE-2007-4999
Updated
2026-11-02
OSVDEBIAN-CVE-2007-4999 No score

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.

Record
DEBIAN-CVE-2007-4999
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
pidgin
Debian:12
before 2.2.2-1
2.2.2-1
pidgin
Debian:13
before 2.2.2-1
2.2.2-1
pidgin
Debian:14
before 2.2.2-1
2.2.2-1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-4999 is a medium vulnerability (CVSS 4.3) in Pidgin, published October 29, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.81%, the 78th percentile. Fixed in pidgin 2.2.2-1.

References

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