Is there a public PoC exploit available for CVE-2018-25305?

Yes, a public proof-of-concept exploit is available for CVE-2018-25305. Prioritise patching immediately. EPSS: 0.0%.

Rsvg CVE-2018-25305

Q: What is the CVSS score of CVE-2018-25305?

CVE-2018-25305 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

EUVD-2018-21826 MEDIUM

Classic Buffer Overflow (CWE-120)

2026-04-29 VulnCheck

Denial Of Service Buffer Overflow Rsvg

6.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.9 MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Apr 30, 2026 - 15:48 vuln.today

Public exploit code

CVSS changed

Apr 29, 2026 - 20:22 NVD

6.2 (MEDIUM) 6.9 (MEDIUM)

EUVD ID Assigned

Apr 29, 2026 - 20:00 euvd

EUVD-2018-21826

CVE Published

Apr 29, 2026 - 19:24 nvd

MEDIUM 6.9

DescriptionCVE.org

librsvg2-bin 2.40.13 contains a buffer overflow vulnerability that allows local attackers to cause a denial of service by processing malformed SVG files. Attackers can supply crafted SVG input to the rsvg conversion tool to trigger a segmentation fault in the cairo image compositor.

AnalysisAI

librsvg2-bin 2.40.13 contains a buffer overflow vulnerability that allows local attackers to cause a denial of service by processing malformed SVG files. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. librsvg2-bin 2.40.13 contains a buffer overflow vulnerability that allows local attackers to cause a denial of service by processing malformed SVG files. Attackers can supply crafted SVG input to the rsvg conversion tool to trigger a segmentation fault in the cairo image compositor. Affected products include: Xenial Rsvg.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.