CVE-2022-23852
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.8epss 4.5%
from disclosure to weapon106 days
Published on NVDJan 24
1st PoC+106d
exploitation probability
4.5%top 9% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
n/a · n/apublic PoCs found — 1
githubgithub.com/Satheesh575555/external_expat_AOSP10_r33_CVE-2022-23852★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfhttps://github.com/libexpat/libexpat/pull/550https://lists.debian.org/debian-lts-announce/2022/03/msg00007.htmlhttps://security.gentoo.org/glsa/202209-24https://security.netapp.com/advisory/ntap-20220217-0001/https://www.debian.org/security/2022/dsa-5073https://www.oracle.com/security-alerts/cpuapr2022.htmlhttps://www.tenable.com/security/tns-2022-05