PoC Index

CVE-2022-22822

CRITICAL 9.8EPSS 4.8%

addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

CVSS v3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
4.83% chance of exploitation in the next 30 days, 91th percentile
Published
2022-01-08
Updated
2025-05-05

Proof-of-concept exploits (1)

References

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