What is CVE-2023-25434?

CVE-2023-25434 is a high-severity vulnerability in Libtiff, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2023-06-14.

How severe is CVE-2023-25434?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2023-25434 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Libtiff

CVE-2023-25434

libtiff 4.5.0 is vulnerable to Buffer Overflow via extractContigSamplesBytes() at /libtiff/tools/tiffcrop.c:3215.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (54.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Libtiff — versions 4.5.0
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

13579and2468/Wei-fuzz

References

cve@mitre.org (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2023-25434?: CVE-2023-25434 is a high-severity vulnerability in Libtiff, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2023-06-14.
How severe is CVE-2023-25434?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2023-25434 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.