CVE-2022-23852

CWE-190 — Integer Overflow11 documents10 sources
Severity
9.8CRITICAL
EPSS
1.7%
top 17.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Platform External/expatLibexpat Project LibexpatSiemens Sinema Remote Connect Server+3 more
Timeline
PublishedJan 24
Latest updateSep 1

Description

Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages6 packages

▶Androidplatform/external/expat10:0 — 10:2022-09-01+3
▶Debianexpat< 2.2.10-2+deb11u1+3
▶NVDtenable/nessus10.0.0 — 10.1.1+1

Also affects: Debian Linux 9.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
OSV
CVE-2022-23852: In XML_GetBuffer of xmlparse↗2022-09-01
▶
GHSA
GHSA-h83g-c7g2-6r9h: Expat (aka libexpat) before 2↗2022-02-10
▶
OSV
CVE-2022-23852: Expat (aka libexpat) before 2↗2022-01-24
▶
CVEList
CVE-2022-23852: Expat (aka libexpat) before 2↗2022-01-24
▶

📋Vendor Advisories

5
Android
CVE-2022-23852: Android Security Bulletin 2022-09-01 CVE: CVE-2022-23852 Severity: HIGH Type: EoP Affected AOSP versions: 10, 11, 12, 12L References: A-221255869↗2022-09-01
▶
Ubuntu
Expat vulnerabilities↗2022-02-21
▶
Red Hat
expat: Integer overflow in function XML_GetBuffer↗2022-01-23
▶
Microsoft
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer for configurations with a nonzero XML_CONTEXT_BYTES.↗2022-01-11
▶
Debian
CVE-2022-23852: expat - Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer...↗2022
▶
CVE-2022-23852 (CRITICAL CVSS 9.8) | Expat (aka libexpat) before 2.4.4 h | cvebase.io