CVE-2021-43845CWE-125

Prevent out-of-bounds read in PJSIP

High · published December 27, 2021

CVSS v3.1
8.2
EPSS
4%
Percentile
90.2
In the wild
Unconfirmed
What it is

PJSIP is a free and open source multimedia communication library. In version 2.11.1 and prior, if incoming RTCP XR message contain block, the data field is not checked against the received packet size, potentially resulting in an out-of-bound read access. This affects all users that use PJMEDIA and RTCP XR. A malicious actor can send a RTCP XR message with an invalid packet size.

The record
Technical detail
CVSS v3.1
8.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.03893 · 90.2th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2021-12-27T00:00Z
EPSS history
Timeline
  • 27 DEC 00:00Z
    Prevent out-of-bounds read in PJSIP
    cvelistv5