Vulnerability · Published Apr 21, 2021 · Assigned by mitre
CVE-2021-28965
High 7.5
In plain English
A high-severity security flaw in the rubygem-abrt package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 5.1% (higher than 92% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)5.1%top 7.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The REXML gem before 3.2.5 in Ruby before 2.6.7, 2.7.x before 2.7.3, and 3.x before 3.0.1 does not properly address XML round-trip issues. An incorrect document can be produced after parsing and serializing.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | rubygem-abrt | 0.4.0-1.module_el8.5.0+118+1ab773e1 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-abrt | 0.3.0-4.module_el8.5.0+2623+08a8ba32 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-abrt | 0.3.0-4.module_el8.5.0+259+8cec6917 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-abrt | 0.3.0-4.module_el8.5.0+2625+ec418553 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-abrt | 0.3.0-4.module_el8.5.0+259+8cec6917 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-abrt | 0.3.0-4.module_el8.5.0+2623+08a8ba32 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-abrt | 0.4.0-1.module_el8.4.0+2399+4e3a532a | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-abrt | 0.4.0-1.module_el8.3.0+6147+d0dfc1e4 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-abrt-doc | 0.4.0-1.module_el8.3.0+6147+d0dfc1e4 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-abrt-doc | 0.4.0-1.module_el8.4.0+2399+4e3a532a | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-abrt-doc | 0.3.0-4.module_el8.5.0+2625+ec418553 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-abrt-doc | 0.3.0-4.module_el8.5.0+2623+08a8ba32 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-abrt-doc | 0.4.0-1.module_el8.5.0+118+1ab773e1 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-abrt-doc | 0.3.0-4.module_el8.5.0+2623+08a8ba32 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-abrt-doc | 0.3.0-4.module_el8.5.0+259+8cec6917 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-abrt-doc | 0.3.0-4.module_el8.5.0+259+8cec6917 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-bson | 4.3.0-2.module_el8.5.0+2625+ec418553 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-bson | 4.8.1-1.module_el8.4.0+2399+4e3a532a | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-bson | 4.8.1-1.module_el8.5.0+117+35d1289b | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-bson | 4.5.0-1.module_el8.5.0+2623+08a8ba32 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-bson | 4.8.1-1.module_el8.3.0+6147+d0dfc1e4 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-bson | 4.5.0-1.module_el8.5.0+250+ba22dbf7 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-bson | 4.3.0-2.module_el8.5.0+259+8cec6917 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-bson-doc | 4.8.1-1.module_el8.3.0+6147+d0dfc1e4 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-bson-doc | 4.5.0-1.module_el8.5.0+250+ba22dbf7 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-bson-doc | 4.5.0-1.module_el8.5.0+2623+08a8ba32 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-bson-doc | 4.3.0-2.module_el8.5.0+2625+ec418553 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-bson-doc | 4.3.0-2.module_el8.5.0+259+8cec6917 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-mongo | 2.5.1-2.module_el8.5.0+2625+ec418553 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-mongo | 2.11.3-1.module_el8.3.0+6147+d0dfc1e4 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-mongo | 2.8.0-1.module_el8.5.0+250+ba22dbf7 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-mongo | 2.5.1-2.module_el8.5.0+259+8cec6917 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-mongo | 2.8.0-1.module_el8.5.0+2623+08a8ba32 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-mongo-doc | 2.8.0-1.module_el8.5.0+2623+08a8ba32 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-mongo-doc | 2.5.1-2.module_el8.5.0+259+8cec6917 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-mongo-doc | 2.11.3-1.module_el8.3.0+6147+d0dfc1e4 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-mongo-doc | 2.5.1-2.module_el8.5.0+2625+ec418553 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-mongo-doc | 2.8.0-1.module_el8.5.0+250+ba22dbf7 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-mysql2 | 0.5.2-1.module_el8.5.0+250+ba22dbf7 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-mysql2 | 0.5.3-1.module_el8.3.0+6147+d0dfc1e4 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-mysql2 | 0.4.10-4.module_el8.5.0+259+8cec6917 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-mysql2 | 0.5.3-1.module_el8.4.0+2399+4e3a532a | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-mysql2 | 0.4.10-4.module_el8.5.0+2625+ec418553 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-mysql2 | 0.5.3-1.module_el8.5.0+118+1ab773e1 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-mysql2 | 0.5.2-1.module_el8.5.0+2623+08a8ba32 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-mysql2-doc | 0.5.2-1.module_el8.5.0+2623+08a8ba32 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-mysql2-doc | 0.5.3-1.module_el8.5.0+118+1ab773e1 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-mysql2-doc | 0.5.3-1.module_el8.3.0+6147+d0dfc1e4 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-mysql2-doc | 0.5.3-1.module_el8.4.0+2399+4e3a532a | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-mysql2-doc | 0.5.2-1.module_el8.5.0+250+ba22dbf7 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-mysql2-doc | 0.4.10-4.module_el8.5.0+259+8cec6917 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-mysql2-doc | 0.4.10-4.module_el8.5.0+2625+ec418553 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-pg | 1.0.0-2.module_el8.5.0+2625+ec418553 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-pg | 1.0.0-2.module_el8.5.0+259+8cec6917 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-pg | 1.2.3-1.module_el8.4.0+2399+4e3a532a | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-pg | 1.2.3-1.module_el8.5.0+118+1ab773e1 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-pg | 1.2.3-1.module_el8.3.0+6147+d0dfc1e4 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-pg | 1.1.4-1.module_el8.5.0+2623+08a8ba32 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-pg | 1.1.4-1.module_el8.5.0+250+ba22dbf7 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-pg-doc | 1.2.3-1.module_el8.4.0+2399+4e3a532a | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-pg-doc | 1.1.4-1.module_el8.5.0+2623+08a8ba32 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-pg-doc | 1.1.4-1.module_el8.5.0+250+ba22dbf7 | ALSA-2021:2588 |
| AlmaLinux:8 | rubygem-pg-doc | 1.2.3-1.module_el8.3.0+6147+d0dfc1e4 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-pg-doc | 1.2.3-1.module_el8.5.0+118+1ab773e1 | ALSA-2021:2584 |
| AlmaLinux:8 | rubygem-pg-doc | 1.0.0-2.module_el8.5.0+2625+ec418553 | ALSA-2021:2587 |
| AlmaLinux:8 | rubygem-pg-doc | 1.0.0-2.module_el8.5.0+259+8cec6917 | ALSA-2021:2587 |
| Alpine:v3.20 | ruby | 2.7.3-r0 | ALPINE-CVE-2021-28965 |
| Alpine:v3.21 | ruby | 2.7.3-r0 | ALPINE-CVE-2021-28965 |
| Alpine:v3.22 | ruby | 2.7.3-r0 | ALPINE-CVE-2021-28965 |
| Alpine:v3.23 | ruby | 2.7.3-r0 | ALPINE-CVE-2021-28965 |
| Alpine:v3.24 | ruby | 2.7.3-r0 | ALPINE-CVE-2021-28965 |
| Rocky Linux:8 | ruby | 0:2.6.7-107.module+el8.4.0+593+8d7f9f0c | RLSA-2021:2588 |
| Rocky Linux:8 | ruby | 0:2.5.9-107.module+el8.4.0+592+03ff458a | RLSA-2021:2587 |
| Rocky Linux:8 | ruby | 0:2.7.3-136.module+el8.4.0+594+11b6673a | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-abrt | 0:0.3.0-4.module+el8.4.0+592+03ff458a | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-abrt | 0:0.3.0-4.module+el8.3.0+167+5c390590 | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-abrt | 0:0.3.0-4.module+el8.5.0+738+032c9c02 | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-abrt | 0:0.4.0-1.module+el8.5.0+668+665814fa | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-abrt | 0:0.3.0-4.module+el8.5.0+738+032c9c02 | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-abrt | 0:0.3.0-4.module+el8.3.0+167+5c390590 | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-abrt | 0:0.3.0-4.module+el8.4.0+592+03ff458a | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-abrt | 0:0.4.0-1.module+el8.4.0+411+b946f28c | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-abrt | 0:0.4.0-1.module+el8.4.0+594+11b6673a | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-bson | 0:4.5.0-1.module+el8.4.0+593+8d7f9f0c | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-bson | 0:4.3.0-2.module+el8.4.0+592+03ff458a | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-bson | 0:4.3.0-2.module+el8.3.0+167+5c390590 | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-bson | 0:4.8.1-1.module+el8.4.0+411+b946f28c | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-bson | 0:4.5.0-1.module+el8.4.0+446+80b53620 | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-bson | 0:4.8.1-1.module+el8.4.0+594+11b6673a | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-bundler | 0:1.16.1-3.module+el8.3.0+167+5c390590 | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-bundler | 0:1.16.1-3.module+el8.4.0+592+03ff458a | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-mongo | 0:2.11.3-1.module+el8.4.0+594+11b6673a | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-mongo | 0:2.11.3-1.module+el8.4.0+411+b946f28c | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-mongo | 0:2.5.1-2.module+el8.4.0+592+03ff458a | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-mongo | 0:2.5.1-2.module+el8.4.0+349+3470f258 | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-mongo | 0:2.8.0-1.module+el8.4.0+593+8d7f9f0c | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-mongo | 0:2.8.0-1.module+el8.4.0+446+80b53620 | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-mysql2 | 0:0.4.10-4.module+el8.5.0+739+43897a5e | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-mysql2 | 0:0.4.10-4.module+el8.3.0+167+5c390590 | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-mysql2 | 0:0.5.3-1.module+el8.5.0+668+665814fa | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-mysql2 | 0:0.4.10-4.module+el8.4.0+592+03ff458a | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-mysql2 | 0:0.5.2-1.module+el8.5.0+738+032c9c02 | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-mysql2 | 0:0.5.3-1.module+el8.4.0+594+11b6673a | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-mysql2 | 0:0.5.3-1.module+el8.4.0+411+b946f28c | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-mysql2 | 0:0.5.2-1.module+el8.4.0+446+80b53620 | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-mysql2 | 0:0.5.2-1.module+el8.4.0+593+8d7f9f0c | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-pg | 0:1.0.0-2.module+el8.4.0+592+03ff458a | RLSA-2021:2587 |
| Rocky Linux:8 | rubygem-pg | 0:1.2.3-1.module+el8.4.0+594+11b6673a | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-pg | 0:1.1.4-1.module+el8.5.0+738+032c9c02 | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-pg | 0:1.1.4-1.module+el8.4.0+446+80b53620 | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-pg | 0:1.1.4-1.module+el8.4.0+593+8d7f9f0c | RLSA-2021:2588 |
| Rocky Linux:8 | rubygem-pg | 0:1.2.3-1.module+el8.4.0+411+b946f28c | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-pg | 0:1.2.3-1.module+el8.5.0+668+665814fa | RLSA-2021:2584 |
| Rocky Linux:8 | rubygem-pg | 0:1.0.0-2.module+el8.3.0+167+5c390590 | RLSA-2021:2587 |
| RubyGems | rexml | 3.2.5 | GHSA-8cr8-4vfw-mr7h |
Affected products (as reported)
References
- https://www.ruby-lang.org/en/news/2021/04/05/xml-round-trip-vulnerability-in-rexml-cve-2021-28965/ x_refsource_MISC
- FEDORA-2021-7b8b65bc7a vendor-advisory, x_refsource_FEDORA
- https://security.netapp.com/advisory/ntap-20210528-0003/ x_refsource_CONFIRM