Red Hat Security Advisory: golang-github-openprinting-ipp-usb security update
HTTP reverse proxy, backed by IPP-over-USB connection to device. It enables driverless support for USB devices capable of using IPP-over-USB protocol. Security Fix(es): * net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811) * crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
This advisory covers a denial of service vulnerability (CVE-2026-27145) in the golang crypto/x509 package caused by excessive processing of DNS Subject Alternative Name (SAN) entries. The issue can lead to denial of service conditions. The vulnerability affects Go versions prior to 1.26.4 and is addressed by updating to version 1.26.4 or later. The Red Hat advisory also references a related denial of service vulnerability in the net package (CVE-2026-33811). The update is available for Red Hat Enterprise Linux 10 and associated toolsets and products that bundle the affected Go packages.
Potential Impact
The vulnerability allows an attacker to cause denial of service by triggering excessive processing of DNS SAN entries in the crypto/x509 package. This can lead to resource exhaustion or application unavailability. There is no indication of confidentiality or integrity impact. No known exploits in the wild have been reported.
Mitigation Recommendations
An official fix is available from Red Hat. Users should apply the security update that upgrades golang packages to version 1.26.4 or later as provided in Red Hat Enterprise Linux 10 updates. Refer to Red Hat advisory RHSA-2026:35832 for detailed update instructions. No additional mitigation steps are required beyond applying the vendor-provided patch.
Red Hat Security Advisory: golang-github-openprinting-ipp-usb security update
Description
HTTP reverse proxy, backed by IPP-over-USB connection to device. It enables driverless support for USB devices capable of using IPP-over-USB protocol. Security Fix(es): * net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811) * crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers a denial of service vulnerability (CVE-2026-27145) in the golang crypto/x509 package caused by excessive processing of DNS Subject Alternative Name (SAN) entries. The issue can lead to denial of service conditions. The vulnerability affects Go versions prior to 1.26.4 and is addressed by updating to version 1.26.4 or later. The Red Hat advisory also references a related denial of service vulnerability in the net package (CVE-2026-33811). The update is available for Red Hat Enterprise Linux 10 and associated toolsets and products that bundle the affected Go packages.
Potential Impact
The vulnerability allows an attacker to cause denial of service by triggering excessive processing of DNS SAN entries in the crypto/x509 package. This can lead to resource exhaustion or application unavailability. There is no indication of confidentiality or integrity impact. No known exploits in the wild have been reported.
Mitigation Recommendations
An official fix is available from Red Hat. Users should apply the security update that upgrades golang packages to version 1.26.4 or later as provided in Red Hat Enterprise Linux 10 updates. Refer to Red Hat advisory RHSA-2026:35832 for detailed update instructions. No additional mitigation steps are required beyond applying the vendor-provided patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Go
- Date Reserved
- 2026-02-17T19:57:28.435Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Gcve Source
- db.gcve.eu
Threat ID: 6a1f872ae29bf47b5044bf1a
Added to database: 06/03/2026, 01:45:14 UTC
Last enriched: 08/13/2026, 20:09:32 UTC
Last updated: 09/04/2026, 14:23:07 UTC
Views: 218
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.