Red Hat Security Advisory: gnutls security update
A moderate severity vulnerability (CVE-2024-12243) affects the GnuTLS library used in Red Hat Enterprise Linux 9. 4 Extended Update Support. The issue is caused by inefficient DER decoding in the libtasn1 component of GnuTLS, which can lead to a remote denial of service (DoS). Red Hat has released a security update addressing this vulnerability. The advisory includes updated packages for multiple architectures and variants of Red Hat Enterprise Linux 9. 4. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
The vulnerability CVE-2024-12243 in the GnuTLS library arises from inefficient DER decoding in the libtasn1 module, potentially allowing a remote attacker to cause a denial of service. This affects Red Hat Enterprise Linux 9.4 Extended Update Support across various architectures including x86_64, s390x, ppc64le, and aarch64. Red Hat Product Security has rated this issue as moderate severity and has issued updated packages to remediate the flaw. The advisory references the official Red Hat errata RHSA-2025:8020 for detailed patch information.
Potential Impact
The impact of this vulnerability is a remote denial of service condition due to inefficient DER decoding in libtasn1 within GnuTLS. This could cause affected systems to become unresponsive or crash when processing crafted DER-encoded data. There are no reports of exploitation in the wild. The vulnerability does not indicate privilege escalation, data disclosure, or code execution.
Mitigation Recommendations
Red Hat has released updated gnutls packages for Red Hat Enterprise Linux 9.4 Extended Update Support that address CVE-2024-12243. Users should apply these official security updates as detailed in the Red Hat advisory RHSA-2025:8020 and the referenced article https://access.redhat.com/articles/11258. Applying these updates will remediate the vulnerability. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: gnutls security update
Description
A moderate severity vulnerability (CVE-2024-12243) affects the GnuTLS library used in Red Hat Enterprise Linux 9. 4 Extended Update Support. The issue is caused by inefficient DER decoding in the libtasn1 component of GnuTLS, which can lead to a remote denial of service (DoS). Red Hat has released a security update addressing this vulnerability. The advisory includes updated packages for multiple architectures and variants of Red Hat Enterprise Linux 9. 4. No known exploits are reported in the wild at this time.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2024-12243 in the GnuTLS library arises from inefficient DER decoding in the libtasn1 module, potentially allowing a remote attacker to cause a denial of service. This affects Red Hat Enterprise Linux 9.4 Extended Update Support across various architectures including x86_64, s390x, ppc64le, and aarch64. Red Hat Product Security has rated this issue as moderate severity and has issued updated packages to remediate the flaw. The advisory references the official Red Hat errata RHSA-2025:8020 for detailed patch information.
Potential Impact
The impact of this vulnerability is a remote denial of service condition due to inefficient DER decoding in libtasn1 within GnuTLS. This could cause affected systems to become unresponsive or crash when processing crafted DER-encoded data. There are no reports of exploitation in the wild. The vulnerability does not indicate privilege escalation, data disclosure, or code execution.
Mitigation Recommendations
Red Hat has released updated gnutls packages for Red Hat Enterprise Linux 9.4 Extended Update Support that address CVE-2024-12243. Users should apply these official security updates as detailed in the Red Hat advisory RHSA-2025:8020 and the referenced article https://access.redhat.com/articles/11258. Applying these updates will remediate the vulnerability. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:8020
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a1f4e89e29bf47b500832f2
Added to database: 6/2/2026, 9:43:37 PM
Last enriched: 6/2/2026, 10:17:35 PM
Last updated: 6/3/2026, 5:05:58 AM
Views: 2
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