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Vulnerability Database · OSS-Fuzz · Package report

libwebp: vulnerability history, versions and safety

libwebp is a package in the OSS-Fuzz ecosystem. Vulert records 14 vulnerabilities for it across 6 affected ranges, from Jun 2021 to Oct 2025. 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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14 vulnerabilities recorded H3 M5 U6
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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 24 Oct 2025.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all libwebp vulnerabilities

Vulert verdict on libwebp i

Updated on 23 Oct 2026

Every vulnerability Vulert records for this package has a fix, and the newest was recorded 24 Oct 2025. Apply the fixes listed below and you are clear.

Long-term outlook: usable, with an upgrade 14 vulnerabilities on record across 4 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 14 over 4 years · 1 in the last year i
  • Latest disclosure 24 Oct 2025 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 0d14d84bdb79f06ec6b23f4425138a1d8a5637de up to 23359a1039d054b6e46ca97fa8789a755457fbd5 (exclusive) 3
from b60d4603187e0ef0da6520c34d5ac03b142dbecf up to 277d30749f15d3fd99649c9347867ddc2fe4f32e (exclusive) 1
from 2246828be3329e26d8c0774481e98b0315872110 up to 61e5c391d6609666983edcf9ad97dd0ebd70b501 (exclusive) 4
from 8f5946634ec513ff11e62baeacdb1c5b17408e69 up to 26f4aa01153d7bdf182630e5eb410ea5685d9cff (exclusive) 1
from 306335198d2419988223cac98f7c99c6975204c2 up to 9e5ecfaf0040241da6f541c7a138229b61b10626 (exclusive) 1
from 0d14d84bdb79f06ec6b23f4425138a1d8a5637de up to 2a755e7eecd2f167a5e150551bbdbaa2c4273b84 (exclusive) 4

02 Disclosure history

How often vulnerabilities are recorded

  • 2021 2
  • 2024 1
  • 2025 11

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 1 of the 14 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for libwebp

The 5 most severe of 14 vulnerabilities recorded for this package

Search all 14 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Use-of-Uninitialized-Value Vulnerability in libwebp: Impacting WebPCleanupTransparentArea N/A medium 2a755e7eecd2f167a5e150551bbdbaa2c4273b84 05 Oct 2025
Heap Buffer Overflow Vulnerability in libwebp: Critical Security Flaw N/A high 23359a1039d054b6e46ca97fa8789a755457fbd5 30 Sep 2025
Critical UNKNOWN WRITE Vulnerability in libwebp Package N/A high 23359a1039d054b6e46ca97fa8789a755457fbd5 09 Oct 2025
Use-of-Uninitialized-Value Vulnerability in libwebp N/A medium 2a755e7eecd2f167a5e150551bbdbaa2c4273b84 04 Oct 2025
Heap Buffer Overflow Vulnerability in libwebp - OSV-2025-796 N/A high 23359a1039d054b6e46ca97fa8789a755457fbd5 30 Sep 2025

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

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Questions

About libwebp

Is libwebp safe to use?

Vulert records 14 vulnerabilities for libwebp in OSS-Fuzz: 0 critical, 3 high, 5 medium and 0 low, plus 6 not yet rated. 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 libwebp have?

14 vulnerabilities are recorded for libwebp in the OSS-Fuzz ecosystem: 0 critical, 3 high, 5 medium and 0 low, plus 6 not yet rated. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new libwebp vulnerabilities disclosed?

1 vulnerability was recorded for libwebp in the last 12 months, and the oldest entry in this database dates to 27 Jun 2021. 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 libwebp 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 libwebp for upcoming vulnerabilities?

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