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Exiv2 CVE-2026-68546

CRITICAL
2026-08-30
Buffer Overflow Denial Of Service Python Apple Microsoft Suse
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Severity by source

vuln.today AI
8.8 HIGH

Attacker serves malicious file over network; low complexity once user invokes Exiv2 with URL; no attacker privileges needed; user interaction required to run the tool.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SUSE
8.3 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H

Lifecycle Timeline

2
CVE Published
Aug 31, 2026 - 10:50 cve.org
CRITICAL
Analysis Generated
Aug 31, 2026 - 00:18 vuln.today

Description PRE-NVD

Disclosed via oss-security. NVD scoring and full description are pending.

Articles & Coverage 1

News Critical Out-of-Bounds Write in Python - CVE-2026-68546 Aug 31, 2026

AnalysisAI

Out-of-bounds write in Exiv2's RemoteIo::Impl::populateBlocks() affects all versions prior to 0.28.9, exploitable only when Exiv2 is invoked with a remote URL as input rather than a local file path. Memory corruption from the write could theoretically enable code execution in the Exiv2 process context if a user or automated pipeline fetches a specially crafted image from an attacker-controlled server. …

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Vulnerability AssessmentAI

Exploitation Exploitation requires the target system to invoke Exiv2 with an HTTP or HTTPS URL argument pointing to an attacker-controlled remote file - the RemoteIo class is instantiated exclusively for URL-based inputs, so local file processing is completely unaffected. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment No CVSS vector or EPSS score was provided, limiting quantitative signal comparison. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade to Exiv2 0.28.9 or later, which contains the confirmed fix per vendor advisory GHSA-3695-mjv8-3r52 and the oss-security release post at https://seclists.org/oss-sec/2026/q3/613. … Detailed patch versions, workarounds, and compensating controls in full report.
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Vendor StatusVendor

SUSE

Severity: Important
Product Status
openSUSE Tumbleweed Fixed
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise High Performance Computing 12 Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 Affected
SUSE Linux Enterprise Server 15 SP7 Affected

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CVE-2026-68546 vulnerability details – vuln.today
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