CVE-2026-48864 (GCVE-0-2026-48864)

Vulnerability from cvelistv5 – Published: 2026-05-26 16:16 – Updated: 2026-08-04 21:24
VLAI
Title
Libsolv: heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious .solv page data
Summary
A flaw was found in libsolv. This heap buffer overflow occurs during the decompression of attacker-controlled compressed data within `.solv` files due to insufficient input validation. An attacker can provide a specially crafted `.solv` file, which, when processed by a vulnerable application, can lead to out-of-bounds memory access. This could result in information disclosure, alteration of program execution, or a denial of service.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:21333 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:28236 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36730 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:39315 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:44481 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:46836 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:48811 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:48813 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:48814 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:48815 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:48816 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:48817 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:48818 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:49775 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:50223 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-48864 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2460425 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:0.7.33-5.el10_2 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.2
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:0.7.29-8.el10_0.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:0.6.34-4.el7_9.1 , < * (rpm)
    cpe:/o:redhat:rhel_els:7
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.7.20-7.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::crb
    cpe:/o:redhat:enterprise_linux:8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:0.7.16-3.el8_4.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 0:0.7.16-3.el8_4.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:0.7.20-1.el8_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.6::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Unaffected: 0:0.7.20-1.el8_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.6::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:0.7.20-4.el8_8.1 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:0.7.20-4.el8_8.1 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.7.24-6.el9_8 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:0.7.22-4.el9_2.1 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.2::appstream
    cpe:/o:redhat:rhel_e4s:9.2::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Unaffected: 0:0.7.24-2.el9_4.1 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.4::appstream
    cpe:/o:redhat:rhel_e4s:9.4::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:0.7.24-3.el9_6.1 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.6::appstream
    cpe:/a:redhat:rhel_eus:9.6::crb
    cpe:/o:redhat:rhel_eus:9.6::baseos
 Create a notification for this product.
Red Hat Red Hat Satellite 6.16 for RHEL 8 Unaffected: 1:0.7.20-7.el8sat , < * (rpm)
    cpe:/a:redhat:satellite:6.16::el8
    cpe:/a:redhat:satellite:6.16::el9
    cpe:/a:redhat:satellite_capsule:6.16::el8
    cpe:/a:redhat:satellite_capsule:6.16::el9
    cpe:/a:redhat:satellite_maintenance:6.16::el8
    cpe:/a:redhat:satellite_maintenance:6.16::el9
    cpe:/a:redhat:satellite_utils:6.16::el8
    cpe:/a:redhat:satellite_utils:6.16::el9
 Create a notification for this product.
Red Hat Red Hat Discovery 2 Unaffected: 1784821670 , < * (rpm)
    cpe:/a:redhat:discovery:2::el9
 Create a notification for this product.
Red Hat Red Hat Discovery 2 Unaffected: 1784821750 , < * (rpm)
    cpe:/a:redhat:discovery:2::el9
 Create a notification for this product.
Red Hat Red Hat Hardened Images Unaffected: 0.7.38-2.hum1 , < * (rpm)
    cpe:/a:redhat:hummingbird:1
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 5 Unaffected: 1784794818 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 5 Unaffected: 1784794778 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 5 Unaffected: 1784795112 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 5 Unaffected: 1784794289 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 5 Unaffected: 1784795076 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 4 for Cloud Providers     cpe:/a:redhat:rhui:4::el8
 Create a notification for this product.
Date Public
2026-05-26 16:07
Credits
This issue was discovered by Found by AISLE in partnership with Red Hat.
Show details on NVD website
To clipboard 

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This heap buffer overflow occurs during the decompression of attacker-controlled compressed data within `.solv` files due to insufficient input validation. An attacker can provide a specially crafted `.solv` file, which, when processed by a vulnerable application, can lead to out-of-bounds memory access. This could result in information disclosure, alteration of program execution, or a denial of service.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2026-08-03T22:01:10.197Z\"}, \"x_redhatCweChain\": \"CWE-787: Out-of-bounds Write\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-48864\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-03T22:01:10.197Z\", \"dateReserved\": \"2026-05-25T20:59:30.306Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2026-05-26T16:16:07.581Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.