Bug 2056782 (CVE-2021-44576) - CVE-2021-44576 libsolv: Heap overflow
Summary: CVE-2021-44576 libsolv: Heap overflow
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-44576
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2056784 2060803
Blocks: 2056788
TreeView+ depends on / blocked
 
Reported: 2022-02-22 04:14 UTC by Avinash Hanwate
Modified: 2023-03-14 17:48 UTC (History)
23 users (show)

Fixed In Version:
Doc Type: No Doc Update
Doc Text:
Clone Of:
Environment:
Last Closed: 2022-06-29 13:29:36 UTC
Embargoed:

Attachments (Terms of Use)

Description Avinash Hanwate 2022-02-22 04:14:53 UTC 
Two memory vulnerabilities exists in openSUSE libsolv through 13 Dec 2020 in the resolve_weak function at src/solver.c: line 2222 and 2249.

https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_weak-2222
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_weak-2249
https://github.com/openSUSE/libsolv/issues/426
Comment 1 Avinash Hanwate 2022-02-22 04:16:38 UTC 
Created libsolv tracking bugs for this issue:

Affects: fedora-all [bug 2056784]
Comment 3 Yadnyawalk Tale 2022-06-29 09:55:21 UTC 
Adding CVSS v3 from Red Hat.
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