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Vulnerability Database · OSS-Fuzz · Package report

mapserver: vulnerability history, versions and safety

mapserver is a package in the OSS-Fuzz ecosystem. Vulert records 6 vulnerabilities for it across 6 affected ranges, from Oct 2022 to Aug 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.

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6 vulnerabilities recorded H3 M3
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0 with no fix published

Every vulnerability has a patched version to move to.

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1 in the last 12 months

Most recent disclosure 25 Aug 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all mapserver vulnerabilities

Vulert verdict on mapserver i

Updated on 23 Oct 2026

Every vulnerability Vulert records for this package has a fix, and the newest was recorded 25 Aug 2026. Apply the fixes listed below and you are clear.

Long-term outlook: usable, with an upgrade 6 vulnerabilities on record across 3 years, 1 in the last year.

What to do: Move the affected dependencies to the fixed versions listed below, then keep the package monitored so the next vulnerability reaches you. Fix it, then keep watch: Vulert alerts you when a new vulnerability affects the version you run. Monitor it with Vulert →

  • Vulnerabilities on record 6 over 3 years · 1 in the last year i
  • Latest disclosure 25 Aug 2026 i
  • Highest CVSS n/a i
  • With no published fix 0 i

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01 Versions

Which versions are affected

Vulert records these vulnerabilities by affected range rather than by individual release, so these are the ranges to check. Filter above to find the version you run.

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Affected range Vulnerabilities
from 3b0aa0d2757512fdaa72c6856ce4cf58ff57f8b4 up to 53b33f49706f2013120ecca1e2acccf3332349ae (exclusive) 1
from 3b0aa0d2757512fdaa72c6856ce4cf58ff57f8b4 up to 8cf2023b172b2eafda8ecc4c5e12b0bfe3c5f9d2 (exclusive) 1
from 3b0aa0d2757512fdaa72c6856ce4cf58ff57f8b4 up to b062947e3122a7f3dfc5812a230ede71b5bc7664 (exclusive) 1
from c2ec9215037703e029fbd64259977aaabfdbb9e7 up to e84d91b4732e35132a28d72ad5f3c962a7acaed5 (exclusive) 1
from 3b0aa0d2757512fdaa72c6856ce4cf58ff57f8b4 up to c8d59b9251e2977232fec50087288cef188961a3 (exclusive) 1
from c8d59b9251e2977232fec50087288cef188961a3 up to f4dd92750c85236c79a90a81433854c4dab39836 (exclusive) 1

02 Disclosure history

How often vulnerabilities are recorded

  • 2022 5
  • 2026 1

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 1 of the 6 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for mapserver

The 5 most severe of 6 vulnerabilities recorded for this package

Search all 6 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Heap-buffer-overflow in msyylex in mapserver N/A high c8d59b9251e2977232fec50087288cef188961a3 04 Oct 2022
Heap-use-after-free vulnerability in mapserver N/A high 53b33f49706f2013120ecca1e2acccf3332349ae 05 Oct 2022
Heap-buffer-overflow in msSetError in mapserver N/A medium 8cf2023b172b2eafda8ecc4c5e12b0bfe3c5f9d2 08 Oct 2022
Heap-buffer-overflow in msyylex in mapserver N/A high b062947e3122a7f3dfc5812a230ede71b5bc7664 12 Oct 2022
UNKNOWN READ vulnerability in MapServer N/A medium f4dd92750c85236c79a90a81433854c4dab39836 16 Oct 2022

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Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315

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Questions

About mapserver

Is mapserver safe to use?

Vulert records 6 vulnerabilities for mapserver in OSS-Fuzz: 0 critical, 3 high, 3 medium and 0 low. Every one of them has a published fix, so the practical answer is to run a supported release and keep it patched.

How many vulnerabilities does mapserver have?

6 vulnerabilities are recorded for mapserver in the OSS-Fuzz ecosystem: 0 critical, 3 high, 3 medium and 0 low. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new mapserver vulnerabilities disclosed?

1 vulnerability was recorded for mapserver in the last 12 months, and the oldest entry in this database dates to 04 Oct 2022. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.

Which versions of mapserver are affected?

Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.

How do I monitor mapserver for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the mapserver version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.