read_ints in plistlib.py in Python through 3.9.1 is vulnerable to a potential DoS attack via CPU and RAM exhaustion when processing malformed Apple Property List files in binary format.
2.7.6-8ubuntu0.6+esm183.4.0-13.4.0-2ubuntu13.4.0-2ubuntu1.13.4.3-1ubuntu1~14.04.13.4.3-1ubuntu1~14.04.33.4.3-1ubuntu1~14.04.43.4.3-1ubuntu1~14.04.53.4.3-1ubuntu1~14.04.63.4.3-1ubuntu1~14.04.73.4.3-1ubuntu1~14.04.7+esm10+24 more3.5.2-2ubuntu0~16.04.4~14.04.1+esm12.7.12-1ubuntu0~16.04.18+esm93.5.2-2ubuntu0~16.04.13+esm122.7.17-1~18.04ubuntu1.13+esm43.6.9-1~18.04ubuntu1.13+esm13.7.5-2ubuntu1~18.04.2+esm33.8.0-3ubuntu1~18.04.2+esm2Exploitability
AV:NAC:LPR:NUI:RScope
S:UImpact
C:NI:NA:HCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H