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No exploitation reportedFix available

CVE-2026-55256

No exploitation reported by the sources we read.

  • Published2026-09-08
  • WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In parsePartHeaders of multiple files, there is a possible persistent denial of service due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Timeline

dates in UTC
  1. 2026-09-0819:18CVE publishedNVD

Versions per branch

NVD
Google android
BranchAffectedFixed in
14.0= 14.0no fix published
15.0= 15.0no fix published
16.0= 16.0no fix published
17.0= 17.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As google_android, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Google Androidother versions: not affected
    Affected
    • = 17no fix stated
    • = 16-qpr2no fix stated
    • = 16no fix stated
    • = 15no fix stated
    • = 14no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-09-08

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • platform/developmentAndroidfrom 14:0 · fixed in 14:2026-09-01and 1 other package
  • platform/developmentAndroidfrom 15:0 · fixed in 15:2026-09-01and 1 other package
  • platform/developmentAndroidfrom 16-qpr2:0 · fixed in 16-qpr2:2026-09-01and 1 other package
  • platform/developmentAndroidfrom 16:0 · fixed in 16:2026-09-01and 1 other package
  • platform/developmentAndroidfrom 17-next:0 · fixed in 17-next:2026-09-01and 1 other package
  • platform/developmentAndroidfrom 17:0 · fixed in 17:2026-09-01and 1 other package

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published
2026-09-08
Last Modified
2026-09-24
NVD status
Analyzed
GitHub Advisory
GHSA-2ph9-87vp-qq34

Frequently asked questions

What is CVE-2026-55256?

In parsePartHeaders of multiple files, there is a possible persistent denial of service due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Is CVE-2026-55256 actively exploited?

Active exploitation of CVE-2026-55256 has not been confirmed. Its EPSS score was 0.3% on 2026-11-04, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-55256?

CVE-2026-55256 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record