In man2html 1.6g, a filename can be created to overwrite the previous size parameter of the next chunk and the fd, bk, fd_nextsize, bk_nextsize of the current chunk. The next chunk is then freed later on, causing a freeing of an arbitrary amount of memory.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-27822 In man2html 1.6g, a filename can be created to overwrite the previous size parameter of the next chunk and the fd, bk, fd_nextsize, bk_nextsize of the current chunk. The next chunk is then freed later on, causing a freeing of an arbitrary amount of memory.
Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T02:51:06.318Z

Reserved: 2021-09-07T00:00:00

Link: CVE-2021-40648

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-09-09T18:15:09.247

Modified: 2024-11-21T06:24:30.440

Link: CVE-2021-40648

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses