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CVE-2026-33721VulnerabilityPublished Updated

SUSE · Security update for mapserver

Affects SUSESource GCVE Database

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Not known to be exploited : upgrade SUSE to 8.6.1 when convenient.

Data as of 31 Oct 2026, 20:20 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS
1.2% chance of exploitation in 30 days – higher than 68% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 8.6.1

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 31 Oct 2026.

What to do

Upgrade SUSE to 8.6.1.

Affected software

ProductAffectedFixed in
SUSE Product Security Team SUSEAffected
  • <8.6.1
  • SUSE
  • aarch64
  • libjavamapscript-0:8.6.1-bp160.1.1.aarch64
  • libmapserver2-0:8.6.1-bp160.1.1.aarch64
  • mapserver-0:8.6.1-bp160.1.1.aarch64
Fixed in
  • 8.6.1

AI-suggested

Upgrade MapServer to version 8.6.1 or later to address this vulnerability. This update includes the official fix for the heap buffer overflow and other issues. No additional mitigation steps are indicated by the vendor advisory.

Description

A medium severity security update for MapServer addresses multiple issues, including a fix for a potential heap buffer overflow in the msSLDParseRasterSymbolizer component. This vulnerability, identified as CVE-2026-33721, affects MapServer versions prior to 8.6.1. Updating to version 8.6.1 resolves this vulnerability along with other fixes and feature enhancements.

References

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