What is CVE-2021-45972?

CVE-2021-45972 is a high-severity vulnerability in Giftrans Project, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.1/10. Published 2022-01-01.

How severe is CVE-2021-45972?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Giftrans Project

CVE-2021-45972

The giftrans function in giftrans 1.12.2 contains a stack-based buffer overflow because a value inside the input file determines the amount of data to write. This allows an attacker to overwrite up to 250 bytes outside of the allocated buffer with arbitrary data.

Published 2022-01-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Giftrans Project — versions 1.12.2
Debian Linux — versions 9.0, 10.0, 11.0

Weakness classification (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

bugs.debian.org/cgi-bin/bugreport.cgi (Exploit, Mailing List, Third Party Advisory)
web.archive.org/web/20150801185019/ (Broken Link)
www.abdn.ac.uk/tools/ibmpc/giftrans/index.hti (Broken Link)

Frequently asked questions

What is CVE-2021-45972?: CVE-2021-45972 is a high-severity vulnerability in Giftrans Project, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.1/10. Published 2022-01-01.
How severe is CVE-2021-45972?: High severity. CVSS v3 base score is 7.1 out of 10.