Bug 2035081 (CVE-2021-45261) - CVE-2021-45261 patch: Invalid Pointer via another_hunk function
Summary: CVE-2021-45261 patch: Invalid Pointer via another_hunk function
Keywords:
Status: NEW
Alias: CVE-2021-45261
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2035082 Red Hat2035217 Red Hat2035218
Blocks: Embargoed2035089
TreeView+ depends on / blocked
 
Reported: 2021-12-22 20:26 UTC by Pedro Sampaio
Modified: 2022-02-22 06:37 UTC (History)
14 users (show)

Fixed In Version:
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Doc Text:
A flaw was found in patch. A possible memory corruption vulnerability could allow an attacker to input a specially crafted patch file leading to a crash or code execution.
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Environment:
Last Closed:

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Description Pedro Sampaio 2021-12-22 20:26:57 UTC 
An Invalid Pointer vulnerability exists in GNU patch 2.7 via the another_hunk function, which causes a Denial of Service.

References

https://savannah.gnu.org/bugs/?61685
Comment 1 Pedro Sampaio 2021-12-22 20:27:13 UTC 
Created patch tracking bugs for this issue:

Affects: fedora-all [bug 2035082]
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