CVE-2024-28757

CWE-776 — XML Entity Expansion (Billion Laughs)11 documents9 sources
Severity
7.5HIGH
EPSS
1.2%
top 21.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Libexpat Project LibexpatFedoraproject FedoraNetapp Ontap+1 more
Timeline
PublishedMar 10
Latest updateMar 18

Description

libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶Debianexpat< 2.6.1-2+1
▶Ubuntuexpat< 2.4.7-1ubuntu0.3

Also affects: Ontap 9, Ontap Tools 10, Fedora 38, 39, 40

Patches

Patch: www.openwall.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
OSV
expat vulnerabilities↗2024-03-14
▶
CVEList
CVE-2024-28757: libexpat through 2↗2024-03-10
▶
OSV
CVE-2024-28757: libexpat through 2↗2024-03-10
▶
GHSA
GHSA-ch5v-h69f-mxc8: libexpat through 2↗2024-03-10
▶

📋Vendor Advisories

6
BSD
OpenBSD 7.4 Errata 015: SECURITY FIX↗2024-03-18
▶
BSD
OpenBSD 7.3 Errata 027: SECURITY FIX↗2024-03-18
▶
Ubuntu
Expat vulnerabilities↗2024-03-14
▶
Microsoft
libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).↗2024-03-12
▶
Red Hat
expat: XML Entity Expansion↗2024-03-10
▶