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libsoup: libsoup: Denial of Service via Use-After-Free in HTTP/2 server

🗓️ 19 May 2026 16:16:51Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 35 Views

Libsoup HTTP/2 server Use-After-Free enables remote DoS via crafted requests and memory errors.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-4271
17 Mar 202611:14
attackerkb
BDU FSTEC
The vulnerability of the LibSoup library for HTTP servers relates to the possibility of accessing memory after it is freed, allowing a attacker to cause a service failure.
1 Apr 202600:00
bdu_fstec
CNNVD
libsoup 安全漏洞
17 Mar 202600:00
cnnvd
CVE
CVE-2026-4271
17 Mar 202611:14
cve
Cvelist
CVE-2026-4271 Libsoup: libsoup: denial of service via use-after-free in http/2 server
17 Mar 202611:14
cvelist
Debian CVE
CVE-2026-4271
17 Mar 202611:14
debiancve
Oracle linux
libsoup3 security update
11 May 202600:00
oraclelinux
Oracle linux
libsoup3 security update
16 Jul 202600:00
oraclelinux
EUVD
EUVD-2026-12568
17 Mar 202612:30
euvd
NVD
CVE-2026-4271
17 Mar 202612:16
nvd
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64libsoup33.6.5-3.el10_2.11libsoup3-3.6.5-3.el10_2.11.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lelibsoup33.6.5-3.el10_2.11libsoup3-3.6.5-3.el10_2.11.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xlibsoup33.6.5-3.el10_2.11libsoup3-3.6.5-3.el10_2.11.s390x.rpm
Red Hat Enterprise Linux10.2x86_64libsoup33.6.5-3.el10_2.11libsoup3-3.6.5-3.el10_2.11.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64libsoup3-debuginfo3.6.5-3.el10_2.11libsoup3-debuginfo-3.6.5-3.el10_2.11.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lelibsoup3-debuginfo3.6.5-3.el10_2.11libsoup3-debuginfo-3.6.5-3.el10_2.11.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xlibsoup3-debuginfo3.6.5-3.el10_2.11libsoup3-debuginfo-3.6.5-3.el10_2.11.s390x.rpm
Red Hat Enterprise Linux10.2x86_64libsoup3-debuginfo3.6.5-3.el10_2.11libsoup3-debuginfo-3.6.5-3.el10_2.11.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64libsoup3-debugsource3.6.5-3.el10_2.11libsoup3-debugsource-3.6.5-3.el10_2.11.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lelibsoup3-debugsource3.6.5-3.el10_2.11libsoup3-debugsource-3.6.5-3.el10_2.11.ppc64le.rpm
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12 Jul 2026 09:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3 - 7.5
EPSS0.00829
SSVC
35