Vulnerability · Published Apr 16, 2021 · Assigned by mitre
CVE-2021-31347
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 1.1% (higher than 66% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.1%top 34.0% 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_parse_str() performs incorrect memory handling while parsing crafted XML files (writing outside a memory region created by mmap).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mapcache | no fix listed | DEBIAN-CVE-2021-31347 |
| Debian:13 | mapcache | no fix listed | DEBIAN-CVE-2021-31347 |
| Debian:14 | mapcache | no fix listed | DEBIAN-CVE-2021-31347 |
| Debian:12 | netcdf | 1:4.9.0-1 | DEBIAN-CVE-2021-31347 |
| Debian:13 | netcdf | 1:4.9.0-1 | DEBIAN-CVE-2021-31347 |
| Debian:14 | netcdf | 1:4.9.0-1 | DEBIAN-CVE-2021-31347 |
| Debian:12 | netcdf-parallel | 1:4.9.0-1 | DEBIAN-CVE-2021-31347 |
| Debian:13 | netcdf-parallel | 1:4.9.0-1 | DEBIAN-CVE-2021-31347 |
| Debian:14 | netcdf-parallel | 1:4.9.0-1 | DEBIAN-CVE-2021-31347 |
| Debian:12 | scilab | no fix listed | DEBIAN-CVE-2021-31347 |
| Debian:13 | scilab | no fix listed | DEBIAN-CVE-2021-31347 |
| Debian:14 | scilab | 2024.1.0+dfsg1-1 | DEBIAN-CVE-2021-31347 |
| Ubuntu:22.04:LTS | mapcache | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:24.04:LTS | mapcache | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:25.10 | mapcache | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:26.04:LTS | mapcache | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:26.10 | mapcache | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:22.04:LTS | navit | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:24.04:LTS | navit | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:25.10 | navit | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:26.04:LTS | navit | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:26.10 | navit | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:22.04:LTS | netcdf | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:22.04:LTS | netcdf-parallel | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:22.04:LTS | scilab | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:24.04:LTS | scilab | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:25.10 | scilab | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:26.04:LTS | scilab | no fix listed | UBUNTU-CVE-2021-31347 |
| Ubuntu:26.10 | scilab | no fix listed | UBUNTU-CVE-2021-31347 |
Affected products (as reported)
References
- https://sourceforge.net/p/ezxml/bugs/27/ x_refsource_MISC
- [debian-lts-announce] 20210708 [SECURITY] [DLA 2705-1] scilab security update mailing-list, x_refsource_MLIST