Buffer overflow in Pidgin

CVE-2016-2378

A buffer overflow vulnerability exists in the handling of the MXIT protocol Pidgin. Specially crafted data sent via the server could potentially result in a buffer overflow, potentially resulting in memory corruption. A malicious server or an unfiltered malicious user can send negative length values to trigger this vulnerability.

Vulnerability class: Buffer Overflow

EPSS: 0.025 (83.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cret@cert.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
  • cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cret@cert.org (Technical Description, Third Party Advisory, x_refsource_MISC)
  • cret@cert.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
  • cret@cert.org (vendor-advisory, x_refsource_GENTOO)
  • cret@cert.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2016-2378?
CVE-2016-2378 is a high-severity vulnerability in Pidgin, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2017-01-06.
How severe is CVE-2016-2378?
High severity. CVSS v3 base score is 8.1 out of 10.