SB2026021224 - Ubuntu update for libsoup3
Published: February 12, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) CRLF injection (CVE-ID: CVE-2026-1467)
The vulnerability allows a remote attacker to inject arbitrary data in server response.
The vulnerability exists due to insufficient validation of attacker-supplied data. A remote attacker can pass specially crafted HTTP request ta to the application containing CR-LF characters and modify application behavior.
2) CRLF injection (CVE-ID: CVE-2026-1536)
The vulnerability allows a remote attacker to inject arbitrary data in server response.
The vulnerability exists due to insufficient validation of attacker-supplied data. A remote attacker can pass specially crafted HTTP request ta to the application containing CR-LF characters and modify application behavior.
3) Information disclosure (CVE-ID: CVE-2026-1539)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to library does not remove data from Proxy-Authorization header when following redirects. A remote attacker can gain access to sensitive information passed via the Proxy-Authorization header.
Remediation
Install update from vendor's website.