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CVE-2026-77014— Libsoup: libsoup: integer truncation in sort_ranges() comparator causes silent omission of http range responses

CVSS 5.3 · Medium EPSS 0.23% · P14

Possible ATT&CK Techniques 1AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 9

VendorProductVersion RangeStatus
Red HatRed Hat Enterprise Linux 10anyaffected
Red HatRed Hat Enterprise Linux 6anyaffected
Red HatRed Hat Enterprise Linux 7anyaffected
anyaffected
Red HatRed Hat Enterprise Linux 8anyaffected
anyaffected
Red HatRed Hat Enterprise Linux 9anyaffected
anyaffected
Red HatRed Hat OpenShift Container Platform 4anyaffected
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I. Basic Information for CVE-2026-77014

Vulnerability Information
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Vulnerability Title
Libsoup: libsoup: integer truncation in sort_ranges() comparator causes silent omission of http range responses
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in libsoup's SoupServer HTTP Range header processing. The sort_ranges() comparator in soup-message-headers.c truncates a 64-bit subtraction result to 32-bit int, flipping the sign for range offsets differing by more than INT_MAX. This causes silent omission of requested byte ranges from HTTP 206 Partial Content responses on resources larger than approximately 2 GB.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
数值截断错误
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
Red HatRed Hat Enterprise Linux 10-cpe:/o:redhat:enterprise_linux:10
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 8-cpe:/o:redhat:enterprise_linux:8
Red HatRed Hat Enterprise Linux 8-cpe:/o:redhat:enterprise_linux:8
Red HatRed Hat Enterprise Linux 9-cpe:/o:redhat:enterprise_linux:9
Red HatRed Hat Enterprise Linux 9-cpe:/o:redhat:enterprise_linux:9
Red HatRed Hat OpenShift Container Platform 4-cpe:/a:redhat:openshift:4

II. Public POCs for CVE-2026-77014

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III. Intelligence Information for CVE-2026-77014

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Vendor Advisories for CVE-2026-77014 (2)

Same Patch Batch · Red Hat · 2026-08-20 · 16 CVEs total

CVE-2026-675679.9 CRITICALMulticloud-operators-subscription: multicloud-operators-subscription: helmrelease chart ap
CVE-2026-667889.9 CRITICALLighthouse: lighthouse: arbitrary local-namespace injection via attacker-controlled labels
CVE-2026-667859.9 CRITICALSubmariner: submariner: unvalidated endpoint.spec.subnets propagated into wireguard allowe
CVE-2026-118619.6 CRITICALFreeipa: idm: ipa: freeipa: obtaining tgs with impersonating cname through trust relations
CVE-2026-130979.1 CRITICALIpa: privilege escalation via krbcanonicalname manipulation due to realm-unaware uniquenes
CVE-2026-667878.7 HIGHLighthouse: lighthouse: cross-cluster dns spoofing via unvalidated endpointslice and servi
CVE-2026-771768.1 HIGHKata-containers: insufficient validation of createcontainer mount and storage rules in gen
CVE-2026-189177.8 HIGHLibvirt: integer overflow in nodegetfreepages rpc handler leading to heap buffer overflow
CVE-2026-195827.8 HIGHBinutils: stack buffer overflow in gnu binutils in rsrc_print_name from an untrusted pe fi
CVE-2026-731377.7 HIGHMulticloud-operators-subscription: multicloud-operators-subscription: cross-namespace secr
CVE-2026-731987.5 HIGHIpa: freeipa: unauthenticated dos in `/ipa/i18n_messages` via unbounded request body read
CVE-2026-731977.5 HIGHIpa: freeipa: unauthenticated dos in `/ipa/migration/migration.py` via unbounded request b
CVE-2026-196117.4 HIGHWildfly-elytron: org.wildfly.security/wildfly-elytron-password-impl: wildfly-elytron: pass
CVE-2026-731996.5 MEDIUMIpa: freeipa: null pointer dereference in `ipa-enrollment` extended operation (`join_oid`)
CVE-2026-731964.3 MEDIUMIpa: freeipa: authenticated dos in `otptoken-add` via unbounded otp key decoding/re-encodi

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-197

V. Comments for CVE-2026-77014

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