What is CVE-2015-7505?

CVE-2015-7505 is a high-severity vulnerability in Netsurf-Browser Libnsgif, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-02-18.

How severe is CVE-2015-7505?

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

Buffer overflow in Netsurf-Browser Libnsgif

CVE-2015-7505

Stack-based buffer overflow in the gif_next_LZW function in libnsgif.c in Libnsgif 0.1.2 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted LZW stream in a GIF file.

Vulnerability class: Buffer Overflow

Published 2020-02-18 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.031 (87.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.031 · change: +0.003

Affected products

Netsurf-Browser Libnsgif — versions 0.1.2
Libnsgif — versions 0.1.2

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.securityfocus.com/archive/1/archive/1/537128/100/0/threaded (VDB Entry, Third Party Advisory)
seclists.org/fulldisclosure/2015/Dec/70 (Exploit, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2015-7505?: CVE-2015-7505 is a high-severity vulnerability in Netsurf-Browser Libnsgif, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-02-18.
How severe is CVE-2015-7505?: High severity. CVSS v3 base score is 8.8 out of 10.