CVE-2017-5668

9.8 criticalEPSS 3.0%

Critical (9.8) in bitlbee. EPSS 3.0% chance of exploitation in the next 30 days.

bitlbee-libpurple before 3.5.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrary code via a file transfer request for a contact that is not in the contact list. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-10189.

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 3.0% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2017-03-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

bitlbee:bitlbee
bitlbee:bitlbee-libpurple

References

http://www.openwall.com/lists/oss-security/2017/01/30/4
http://www.openwall.com/lists/oss-security/2017/01/31/11
http://www.securityfocus.com/bid/95932
https://bugs.bitlbee.org/ticket/1282
https://github.com/bitlbee/bitlbee/commit/30d598ce7cd3f136ee9d7097f39fa9818a272441

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