VDB
RHSA-2021%3A0495
RHSA-2021%3A0495
PUBLISHED
CVSS 5.900000095367432 MEDIUM
A null pointer dereference flaw was found in openssl. A remote attacker, able to control the arguments of the GENERAL_NAME_cmp function, could cause the application, compiled with openssl to crash resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat JBoss Web Server 5 |
Timeline
- Feb 11, 2021 CVE Published
- May 1, 2026 Distribution Patch
- May 1, 2026 Distribution Patch
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 14, 2026 CVE Updated
References
- https://access.redhat.com/errata/RHSA-2021:0495 advisory
- https://access.redhat.com/security/updates/classification/#moderate advisory
- https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=webserver&downloadType=securityPatches&version=5.4 advisory
- https://access.redhat.com/documentation/en-us/red_hat_jboss_web_server/5.4/ advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1887648 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=1903409 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=1904221 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=1917209 issue
- https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_0495.json advisory
- https://access.redhat.com/security/cve/CVE-2020-1971 advisory
- https://www.cve.org/CVERecord?id=CVE-2020-1971 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-1971 advisory
- https://www.openssl.org/news/secadv/20201208.txt advisory
- https://access.redhat.com/security/cve/CVE-2020-13943 advisory
- https://www.cve.org/CVERecord?id=CVE-2020-13943 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-13943 advisory
- http://mail-archives.apache.org/mod_mbox/tomcat-announce/202010.mbox/%3C2b767c6e-dcb9-5816-bd69-a3bc0771fef3%40apache.org%3E advisory
- http://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M8 advisory
- http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.58 advisory
- http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.38 advisory
…and 11 more