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High severity7.5NVD Advisory· Published Mar 24, 2023· Updated Jun 17, 2026

CVE-2021-43316

CVE-2021-43316

Description

A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le64().

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

5

Upx/Upx3 versions
cpe:2.3:a:upx:upx:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:upx:upx:*:*:*:*:*:*:*:*range: <4.0.0
- (no CPE)
- (no CPE)
osv-coords2 versions
pkg:rpm/opensuse/upx&distro=openSUSE%20Leap%2015.4 pkg:rpm/suse/upx&distro=SUSE%20Package%20Hub%2015%20SP4
< 4.0.2-bp154.4.6.1+ 1 more
- (no CPE)range: < 4.0.2-bp154.4.6.1
- (no CPE)range: < 4.0.2-bp154.4.6.1

Patches

Vulnerability mechanics

References

1

github.com/upx/upx/issues/381nvdExploitIssue TrackingPatch

News mentions

0

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