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Description

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.

PUBLISHED Reserved 2026-05-25 | Published 2026-05-26 | Updated 2026-05-28 | Assigner redhat




HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem types

Out-of-bounds Write

Product status

Default status
affected

0.7.38-2.hum1 (rpm) before *
unaffected

Default status
affected

Default status
affected

Default status
affected

Default status
affected

Default status
affected

Default status
affected

Default status
affected

Timeline

2026-04-21:Reported to Red Hat.
2026-05-26:Made public.

Credits

This issue was discovered by Found by AISLE in partnership with Red Hat.

References

access.redhat.com/errata/RHSA-2026:21333 (RHSA-2026:21333) vendor-advisory

access.redhat.com/security/cve/CVE-2026-48864 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2460425 (RHBZ#2460425) issue-tracking

cve.org (CVE-2026-48864)

nvd.nist.gov (CVE-2026-48864)

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