SUSE · Security update for curl
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited.
Data as of 10 Nov 2026, 20:06 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 17 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
Description
This update for curl fixes the following issues: - CVE-2026-4873: connection reuse ignores TLS requirement (bsc#1262631). - CVE-2026-5545: wrong reuse of HTTP Negotiate connection (bsc#1262632). - CVE-2026-6253: proxy credentials leak over redirect-to proxy (bsc#1262635). - CVE-2026-6276: stale custom cookie host causes cookie leak (bsc#1262636). - CVE-2026-6429: netrc credential leak with reused proxy connection (bsc#1262638).
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/2026/opensuse-su-2026_20973-1.json (opens in a new tab)
- bugzilla.suse.com/1262631 (opens in a new tab)
- bugzilla.suse.com/1262632 (opens in a new tab)
- bugzilla.suse.com/1262635 (opens in a new tab)
- bugzilla.suse.com/1262636 (opens in a new tab)
- bugzilla.suse.com/1262638 (opens in a new tab)
- suse.com/security/cve/CVE-2026-4873/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-5545/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-6253/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-6276/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-6429/ (opens in a new tab)