CVE-2021-43312

upx-ucl: A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address

CVE-2021-43312 is fixed in upx-ucl on 1 platform, first by DEBIAN-CVE-2021-43312, released March 24, 2023. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0082
57th percentile

A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in the function PackLinuxElf64::invert_pt_dynamic at p_lx_elf.cpp:5239.

Where it's fixed

ProductFixed inFixReleased
Linux
upx-ucl · Debian 13.5 (trixie) 4.2.2-1 DEBIAN-CVE-2021-43312 Mar 24, 2023
upx-ucl · Debian 14 4.2.2-1 DEBIAN-CVE-2021-43312 Mar 24, 2023

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