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CVE-2026-115824

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies

7.5 HighFix available

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies.

The chunked body decoder keeps each chunk in memory until the whole chunk and its CRLF have arrived, and sets no limit on the length of a chunk-size line. A client that declares a huge chunk size and streams data, or sends a chunk-size line that never ends, grows the buffer for as long as it keeps sending.

A remote attacker can exhaust worker memory with a single connection.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.61%Up 0.3 points since Oct 26, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.5

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies.

The chunked body decoder keeps each chunk in memory until the whole chunk and its CRLF have arrived, and sets no limit on the length of a chunk-size line. A client that declares a huge chunk size and streams data, or sends a chunk-size line that never ends, grows the buffer for as long as it keeps sending.

A remote attacker can exhaust worker memory with a single connection.

Record
CVE-2026-115824
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-770
Updated
2026-11-02
EUVDEUVD-2026-109561 7.5

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies.

The chunked body decoder keeps each chunk in memory until the whole chunk and its CRLF have arrived, and sets no limit on the length of a chunk-size line. A client that declares a huge chunk size and streams data, or sends a chunk-size line that never ends, grows the buffer for as long as it keeps sending.

A remote attacker can exhaust worker memory with a single connection.

Record
EUVD-2026-109561
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-frrh-cv34-87px 7.5

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of...

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies.

The chunked body decoder keeps each chunk in memory until the whole chunk and its CRLF have arrived, and sets no limit on the length of a chunk-size line. A client that declares a huge chunk size and streams data, or sends a chunk-size line that never ends, grows the buffer for as long as it keeps sending.

A remote attacker can exhaust worker memory with a single connection.

Record
GHSA-frrh-cv34-87px
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-770
Updated
2026-11-02
NVD 7.5

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies.

The chunked body decoder keeps each chunk in memory until the whole chunk and its CRLF have arrived, and sets no limit on the length of a chunk-size line. A client that declares a huge chunk size and streams data, or sends a chunk-size line that never ends, grows the buffer for as long as it keeps sending.

A remote attacker can exhaust worker memory with a single connection.

Record
CVE-2026-115824
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-770
Updated
2026-11-02
OSV 7.5

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies.

The chunked body decoder keeps each chunk in memory until the whole chunk and its CRLF have arrived, and sets no limit on the length of a chunk-size line. A client that declares a huge chunk size and streams data, or sends a chunk-size line that never ends, grows the buffer for as long as it keeps sending.

A remote attacker can exhaust worker memory with a single connection.

Record
CVE-2026-115824
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-770
Updated
2026-11-04
OSVDEBIAN-CVE-2026-115824 7.5

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies. The chunked body decoder keeps each chunk in memory until the whole chunk and its CRLF have arrived, and sets no limit on the length of a chunk-size line. A client that declares a huge chunk size and streams data, or sends a chunk-size line that never ends, grows the buffer for as long as it keeps sending. A remote attacker can exhaust worker memory with a single connection.

Record
DEBIAN-CVE-2026-115824
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSVUBUNTU-CVE-2026-115824 7.5

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies. The chunked body decoder keeps each chunk in memory until the whole chunk and its CRLF have arrived, and sets no limit on the length of a chunk-size line. A client that declares a huge chunk size and streams data, or sends a chunk-size line that never ends, grows the buffer for as long as it keeps sending. A remote attacker can exhaust worker memory with a single connection.

Record
UBUNTU-CVE-2026-115824
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-04
OSVopenSUSE-SU-2026:12276-1 No score

perl-Starman-0.4019-1.1 on GA media

These are all security issues fixed in the perl-Starman-0.4019-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:12276-1
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
starman
Debian:12
All versions, plus listed versions
0.4016-10.4017-10.4018-10.4019-1
None known
starman
Debian:13
All versions, plus listed versions
0.4017-10.4018-0+deb13u10.4018-10.4019-1
None known
starman
Debian:14
before 0.4019-1, plus listed versions
0.4017-10.4018-1
0.4019-1
starman
Ubuntu:16.04:LTS
All versions, plus listed versions
0.4014-1
None known
starman
Ubuntu:18.04:LTS
All versions, plus listed versions
0.4014-1
None known
starman
Ubuntu:20.04:LTS
All versions, plus listed versions
0.4014-30.4015-1
None known
starman
Ubuntu:22.04:LTS
All versions, plus listed versions
0.4015-1
None known
starman
Ubuntu:24.04:LTS
All versions, plus listed versions
0.4016-10.4017-1
None known
starman
Ubuntu:26.10
All versions, plus listed versions
0.4017-1build10.4018-1
None known
starman
Ubuntu:26.04:LTS
All versions, plus listed versions
0.4017-10.4017-1build1
None known
perl-Starman
openSUSE:Tumbleweed
From an advisory covering 4 CVEs
before 0.4019-1.1
0.4019-1.1

History

History
RecordedChangedSources
affectedOSV
factsEUVD, OSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-115824 is a high vulnerability (CVSS 7.5) in starman, published October 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. Fixed in starman 0.4019-1.

References

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