Vulnerability · Published Apr 15, 2021 · Assigned by mitre
CVE-2021-31229
Medium 6.5
In plain English
A medium-severity security flaw in the mapcache package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.9%top 39.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() performs incorrect memory handling while parsing crafted XML files, which leads to an out-of-bounds write of a one byte constant.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mapcache | no fix listed | DEBIAN-CVE-2021-31229 |
| Debian:13 | mapcache | no fix listed | DEBIAN-CVE-2021-31229 |
| Debian:14 | mapcache | no fix listed | DEBIAN-CVE-2021-31229 |
| Debian:12 | netcdf | 1:4.9.0-1 | DEBIAN-CVE-2021-31229 |
| Debian:13 | netcdf | 1:4.9.0-1 | DEBIAN-CVE-2021-31229 |
| Debian:14 | netcdf | 1:4.9.0-1 | DEBIAN-CVE-2021-31229 |
| Debian:12 | netcdf-parallel | 1:4.9.0-1 | DEBIAN-CVE-2021-31229 |
| Debian:13 | netcdf-parallel | 1:4.9.0-1 | DEBIAN-CVE-2021-31229 |
| Debian:14 | netcdf-parallel | 1:4.9.0-1 | DEBIAN-CVE-2021-31229 |
| Debian:12 | scilab | no fix listed | DEBIAN-CVE-2021-31229 |
| Debian:13 | scilab | no fix listed | DEBIAN-CVE-2021-31229 |
| Debian:14 | scilab | 2024.1.0+dfsg1-1 | DEBIAN-CVE-2021-31229 |
| Ubuntu:22.04:LTS | mapcache | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:24.04:LTS | mapcache | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:25.10 | mapcache | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:26.04:LTS | mapcache | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:26.10 | mapcache | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:22.04:LTS | navit | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:24.04:LTS | navit | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:25.10 | navit | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:26.04:LTS | navit | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:26.10 | navit | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:22.04:LTS | netcdf | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:22.04:LTS | netcdf-parallel | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:22.04:LTS | scilab | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:24.04:LTS | scilab | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:25.10 | scilab | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:26.04:LTS | scilab | no fix listed | UBUNTU-CVE-2021-31229 |
| Ubuntu:26.10 | scilab | no fix listed | UBUNTU-CVE-2021-31229 |
Affected products (as reported)
References
- https://sourceforge.net/p/ezxml/bugs/26/ x_refsource_MISC
- [debian-lts-announce] 20210708 [SECURITY] [DLA 2705-1] scilab security update mailing-list, x_refsource_MLIST