CVE-2017-9233 XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat XML Parser Library) allows attackers to put the parser in an infinite loop using a malformed external entity definition from an e...
HighCVSS 7.5
EPSS 8.7%
- Published
- Updated
- Exploit status
- No public exploit known
Description
XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat XML Parser Library) allows attackers to put the parser in an infinite loop using a malformed external entity definition from an external DTD.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/expat(Debian:12) | < 2.2.1-1 | 2.2.1-1 |
| debian/expat(Debian:13) | < 2.2.1-1 | 2.2.1-1 |
| debian/expat(Debian:14) | < 2.2.1-1 | 2.2.1-1 |
| debian/libxmltok(Debian:12) | All versions | No fix listed |
| debian/libxmltok(Debian:12) | = 1.2-4 | No fix listed |
| debian/libxmltok(Debian:12) | = 1.2-4.1 | No fix listed |
| debian/libxmltok(Debian:12) | = 1.2-4.1~exp1 | No fix listed |
| debian/libxmltok(Debian:12) | = 1.2-4.2 | No fix listed |
| alpine/expat(Alpine:v3.10) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.11) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.12) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.13) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.14) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.15) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.16) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.17) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.18) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.19) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.20) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.21) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.22) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.23) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.24) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.4) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.5) | < 2.2.0-r1 | 2.2.0-r1 |
Show 23 more
| Product | Affected versions | Fixed in |
|---|---|---|
| alpine/expat(Alpine:v3.6) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.7) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.8) | < 2.2.0-r1 | 2.2.0-r1 |
| alpine/expat(Alpine:v3.9) | < 2.2.0-r1 | 2.2.0-r1 |
| ubuntu/matanza(Ubuntu:24.04) | All versions | No fix listed |
| ubuntu/swish-e(Ubuntu:24.04) | All versions | No fix listed |
| ubuntu/matanza(Ubuntu:26.04) | All versions | No fix listed |
| ubuntu/sitecopy(Ubuntu:26.04) | All versions | No fix listed |
| ubuntu/swish-e(Ubuntu:26.04) | All versions | No fix listed |
| ubuntu/matanza(Ubuntu:26.10) | All versions | No fix listed |
| ubuntu/sitecopy(Ubuntu:26.10) | All versions | No fix listed |
| ubuntu/swish-e(Ubuntu:26.10) | All versions | No fix listed |
| libexpat project libexpat | <= 2.2.0 | No fix listed |
| python | >= 2.7.0, < 2.7.15 | 2.7.15 |
| python | >= 3.3.0, < 3.3.7 | 3.3.7 |
| python | >= 3.4.0, < 3.4.7 | 3.4.7 |
| python | >= 3.5.0, < 3.5.4 | 3.5.4 |
| python | >= 3.6.0, < 3.6.2 | 3.6.2 |
| debian linux | = 8.0 | No fix listed |
| debian linux | = 9.0 | No fix listed |
| debian linux | = 10.0 | No fix listed |
| ubuntu/matanza(Ubuntu:22.04) | All versions | No fix listed |
| ubuntu/swish-e(Ubuntu:22.04) | All versions | No fix listed |
References
- Ubuntu CVE tracker vendor-advisory
- USN-3356-1 vendor-advisory
- USN-3356-2 vendor-advisory
- USN-4825-1 vendor-advisory
- www.cve.org
- Debian Security Tracker CVE-2017-9233 vendor-advisory
- security.alpinelinux.org vendor-advisory
- support.apple.com third-party-advisory
- libexpat.github.io exploit technical-description vendor-advisory
- github.com release-notes third-party-advisory
- 1039427 third-party-advisory vdb-entry
- support.apple.com third-party-advisory
- support.apple.com third-party-advisory
- support.apple.com third-party-advisory
- DSA-3898 third-party-advisory vendor-advisory
- 99276 third-party-advisory vdb-entry
- [oss-security] 20170618 Expat 2.2.1 security fixes mailing-list vdb-entry
- support.f5.com third-party-advisory
- [bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 mailing-list
- [bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 mailing-list