Red Hat Security Advisory: libtasn1 security update
A security vulnerability (CVE-2024-12133) exists in the libtasn1 library used by Red Hat Enterprise Linux 9. 2 and related products. The issue involves inefficient DER decoding in libtasn1, which could potentially lead to a remote denial of service (DoS). Red Hat has issued a security advisory (RHSA-2025:17347) rating the impact as moderate and has released updated packages to address the vulnerability. The advisory provides instructions for applying the update to affected systems. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
The libtasn1 library, responsible for ASN.1 parsing and DER encoding/decoding, contains an inefficiency in DER decoding that can be exploited to cause a remote denial of service (CVE-2024-12133). This vulnerability affects multiple Red Hat Enterprise Linux 9.2 variants and related packages. Red Hat Product Security has classified the severity as moderate and released updated libtasn1 packages to remediate the issue. The advisory references the official Red Hat errata RHSA-2025:17347 for detailed patching instructions.
Potential Impact
The vulnerability allows a remote attacker to cause a denial of service by exploiting inefficient DER decoding in libtasn1. This could disrupt services relying on this library. There are no reports of active exploitation in the wild. The impact is rated moderate by Red Hat.
Mitigation Recommendations
Red Hat has released updated libtasn1 packages for Red Hat Enterprise Linux 9.2 and related products to fix this vulnerability. Users should apply the security update as described in the Red Hat advisory RHSA-2025:17347 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: libtasn1 security update
Description
A security vulnerability (CVE-2024-12133) exists in the libtasn1 library used by Red Hat Enterprise Linux 9. 2 and related products. The issue involves inefficient DER decoding in libtasn1, which could potentially lead to a remote denial of service (DoS). Red Hat has issued a security advisory (RHSA-2025:17347) rating the impact as moderate and has released updated packages to address the vulnerability. The advisory provides instructions for applying the update to affected systems. No known exploits are reported in the wild at this time.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The libtasn1 library, responsible for ASN.1 parsing and DER encoding/decoding, contains an inefficiency in DER decoding that can be exploited to cause a remote denial of service (CVE-2024-12133). This vulnerability affects multiple Red Hat Enterprise Linux 9.2 variants and related packages. Red Hat Product Security has classified the severity as moderate and released updated libtasn1 packages to remediate the issue. The advisory references the official Red Hat errata RHSA-2025:17347 for detailed patching instructions.
Potential Impact
The vulnerability allows a remote attacker to cause a denial of service by exploiting inefficient DER decoding in libtasn1. This could disrupt services relying on this library. There are no reports of active exploitation in the wild. The impact is rated moderate by Red Hat.
Mitigation Recommendations
Red Hat has released updated libtasn1 packages for Red Hat Enterprise Linux 9.2 and related products to fix this vulnerability. Users should apply the security update as described in the Red Hat advisory RHSA-2025:17347 and the referenced article https://access.redhat.com/articles/11258. 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-2025:17347
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a1f4e87e29bf47b50081646
Added to database: 6/2/2026, 9:43:35 PM
Last enriched: 6/2/2026, 10:10:44 PM
Last updated: 6/3/2026, 4:52:27 AM
Views: 2
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