Netsurf Browser is a lightweight, open-source web browser maintained as a niche project, with its vulnerability exposure concentrated across the browser itself and its associated image-decoding libraries (libnsbmp and libnsgif). The disclosed vulnerabilities reflect the parsing complexity inherent to rendering engines and image format handling. Current severity, exploitation activity, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Netsurf Browser over time
Signals from CVEs in this vendor scope (8 CVEs).
8 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2015-7505HIGH 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 poss | Feb 18, 2020 | 8.8 | 25 | NO | NO |
CVE-2015-7508HIGH Heap-based buffer overflow in the bmp_decode_rle function in libnsbmp.c in Libnsbmp 0.1.2 allows context-dependent attackers to cause a denial of service (application crash) or pos | Feb 12, 2020 | 8.8 | 25 | NO | NO |
CVE-2025-45663MEDIUM An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure. | Nov 3, 2025 | 6.5 | 22 | NO | NO |
CVE-2025-29699MEDIUM NetSurf 3.11 is vulnerable to Use After Free in dom_node_set_text_content function. | Nov 3, 2025 | 6.5 | 22 | NO | NO |
CVE-2024-51317MEDIUM An issue in NetSurf v.3.11 allows a remote attacker to execute arbitrary code via the dom_node_normalize function | Nov 3, 2025 | 6.5 | 22 | NO | NO |
CVE-2015-7507HIGH libnsbmp.c in Libnsbmp 0.1.2 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a crafted color table to the (1) bmp_decode_rgb or (2) bmp_dec | Feb 18, 2020 | 7.5 | 22 | NO | NO |
CVE-2012-0844MEDIUM Information-disclosure vulnerability in Netsurf through 2.8 due to a world-readable cookie jar. | Feb 21, 2020 | 5.5 | 21 | NO | NO |
CVE-2015-7506MEDIUM The gif_next_LZW function in libnsgif.c in Libnsgif 0.1.2 allows context-dependent attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted L | Feb 18, 2020 | 6.5 | 19 | NO | NO |
Signals from CVEs in this vendor scope (8 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Netsurf Browser.
Media articles that mention a CVE ID that affects a product developed by Netsurf Browser — matched by CVE ID, not by vendor name.