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Out-of-bounds Read The advisory has been revoked - it doesn't affect any version of package asterisk  (opens in a new tab)

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EPSS
0.34% (72nd percentile)

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  • Snyk IDSNYK-DEBIAN12-ASTERISK-2405707
  • published8 Jan 2022
  • disclosed27 Dec 2021
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Introduced: 27 Dec 2021

CVE-2021-43845  (opens in a new tab)
CWE-125  (opens in a new tab)

Amendment

The Debian security team deemed this advisory irrelevant for Debian:12.

NVD Description

Note: Versions mentioned in the description apply only to the upstream asterisk package and not the asterisk package as distributed by Debian.

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.