Description

libarchive through 3.7.7 has a heap-based buffer over-read in header_gnu_longlink in archive_read_support_format_tar.c via a TAR archive because it mishandles truncation in the middle of a GNU long linkname.

Classification

CVE ID: CVE-2024-57970

CVSS Base Severity: MEDIUM

CVSS Base Score: 4.0

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Products

Vendor: libarchive

Product: libarchive

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 12.0% (scored less or equal to compared to others)

EPSS Date: 2025-03-17 (when was this score calculated)

References

https://github.com/libarchive/libarchive/issues/2415
https://github.com/libarchive/libarchive/pull/2422

Timeline