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libsoup: Signed to Unsigned Conversion Error Leading to Stack-Based Buffer Overflow in libsoup NTLM Authentication

🗓️ 11 Feb 2026 07:51:37Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Overflow in libsoup NTLM due to signed to unsigned conversion stacks with long passwords, crashing apps.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.6aarch64libsoup2.62.3-2.el8_6.8libsoup-2.62.3-2.el8_6.8.aarch64.rpm
Red Hat Enterprise Linux8.6i686libsoup2.62.3-2.el8_6.8libsoup-2.62.3-2.el8_6.8.i686.rpm
Red Hat Enterprise Linux8.6ppc64lelibsoup2.62.3-2.el8_6.8libsoup-2.62.3-2.el8_6.8.ppc64le.rpm
Red Hat Enterprise Linux8.6s390xlibsoup2.62.3-2.el8_6.8libsoup-2.62.3-2.el8_6.8.s390x.rpm
Red Hat Enterprise Linux8.6x86_64libsoup2.62.3-2.el8_6.8libsoup-2.62.3-2.el8_6.8.x86_64.rpm
Red Hat Enterprise Linux8.6aarch64libsoup-debuginfo2.62.3-2.el8_6.8libsoup-debuginfo-2.62.3-2.el8_6.8.aarch64.rpm
Red Hat Enterprise Linux8.6i686libsoup-debuginfo2.62.3-2.el8_6.8libsoup-debuginfo-2.62.3-2.el8_6.8.i686.rpm
Red Hat Enterprise Linux8.6ppc64lelibsoup-debuginfo2.62.3-2.el8_6.8libsoup-debuginfo-2.62.3-2.el8_6.8.ppc64le.rpm
Red Hat Enterprise Linux8.6s390xlibsoup-debuginfo2.62.3-2.el8_6.8libsoup-debuginfo-2.62.3-2.el8_6.8.s390x.rpm
Red Hat Enterprise Linux8.6x86_64libsoup-debuginfo2.62.3-2.el8_6.8libsoup-debuginfo-2.62.3-2.el8_6.8.x86_64.rpm
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30 Jun 2026 04:32Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.6
EPSS0.00557
SSVC
4