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CVE-2026-82560

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width

7.5 HighFix available

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width.

Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass.

Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.

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

0.63%Up 0.4 points since Sep 20, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.5

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width.

Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass.

Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.

Record
CVE-2026-82560
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-835
Updated
2026-11-02
EUVDEUVD-2026-83606 7.5

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width.

Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass.

Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.

Record
EUVD-2026-83606
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
2026-11-02
GitHub AdvisoriesGHSA-qcgj-vx8w-rqfq 7.5

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD...

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width.

Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass.

Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.

Record
GHSA-qcgj-vx8w-rqfq
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-835
Updated
2026-11-02
NVD 7.5

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width.

Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass.

Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.

Record
CVE-2026-82560
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-835
Updated
2026-11-02
OSVBELL-CVE-2026-82560 7.5
Record
BELL-CVE-2026-82560
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
2026-11-02
OSV 7.5

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width.

Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass.

Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.

Record
CVE-2026-82560
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-835
Updated
2026-11-02
Show 9 moreShow less
OSVDEBIAN-CVE-2026-82560 7.5

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width. Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass. Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.

Record
DEBIAN-CVE-2026-82560
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
2026-11-02
OSVOESA-2026-4202 7.5

perl-podlators security update

podlators contains Pod::Man and Pod::Text modules which convert POD input to *roff source output, suitable for man pages, or plain text. It also includes several subclasses of Pod::Text for formatted output to terminals with various capabilities. It is the source package for the Pod::Man and Pod::Text modules included with Perl.

Security Fix(es):

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width.

Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass.

Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.(CVE-2026-82560)

Record
OESA-2026-4202
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
2026-11-02
OSVOESA-2026-4203 7.5

perl-podlators security update

podlators contains Pod::Man and Pod::Text modules which convert POD input to *roff source output, suitable for man pages, or plain text. It also includes several subclasses of Pod::Text for formatted output to terminals with various capabilities. It is the source package for the Pod::Man and Pod::Text modules included with Perl.

Security Fix(es):

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width.

Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass.

Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.(CVE-2026-82560)

Record
OESA-2026-4203
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
2026-11-02
OSVOESA-2026-4204 7.5

perl-podlators security update

podlators contains Pod::Man and Pod::Text modules which convert POD input to *roff source output, suitable for man pages, or plain text. It also includes several subclasses of Pod::Text for formatted output to terminals with various capabilities. It is the source package for the Pod::Man and Pod::Text modules included with Perl.

Security Fix(es):

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width.

Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass.

Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.(CVE-2026-82560)

Record
OESA-2026-4204
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
2026-11-02
OSVOESA-2026-4205 7.5

perl-podlators security update

podlators contains Pod::Man and Pod::Text modules which convert POD input to *roff source output, suitable for man pages, or plain text. It also includes several subclasses of Pod::Text for formatted output to terminals with various capabilities. It is the source package for the Pod::Man and Pod::Text modules included with Perl.

Security Fix(es):

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width.

Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass.

Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.(CVE-2026-82560)

Record
OESA-2026-4205
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
2026-11-02
OSVUBUNTU-CVE-2026-82560 7.5

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width. Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass. Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.

Record
UBUNTU-CVE-2026-82560
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
2026-11-02
OSVAZL-103320 No score

CVE-2026-82560 affecting package perl for versions less than 5.38.2-517

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width.

Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass.

Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.

Record
AZL-103320
Updated
2026-11-05
OSVROOT-OS-DEBIAN-12-CVE-2026-82560 No score

CVE-2026-82560 in perl - Patched by Root

Root has patched CVE-2026-82560 in the perl package for Root:Debian:12. Multiple fixed versions available.

Record
ROOT-OS-DEBIAN-12-CVE-2026-82560
Updated
2026-11-02
OSVROOT-OS-DEBIAN-13-CVE-2026-82560 No score

CVE-2026-82560 in perl - Patched by Root

Root has patched CVE-2026-82560 in the perl package for Root:Debian:13. Multiple fixed versions available.

Record
ROOT-OS-DEBIAN-13-CVE-2026-82560
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
perl
Azure Linux:3
 before 5.38.2-517
5.38.2-517
perl
Alpaquita:23
 5.36.0-r0 up to 5.36.3-r4
5.36.3-r4
perl
Alpaquita:25
 5.40.2-r0 up to 5.40.4-r3
5.40.4-r3
perl
Alpaquita:stream
 5.36.0-r0 up to 5.44.0-r1
5.44.0-r1
perl
BellSoft Hardened Containers:23
 5.36.0-r0 up to 5.36.3-r4
5.36.3-r4
perl
BellSoft Hardened Containers:25
 5.40.2-r0 up to 5.40.4-r3
5.40.4-r3
perl
BellSoft Hardened Containers:stream
 5.36.0-r0 up to 5.44.0-r1
5.44.0-r1
perl
Debian:12
 All versions, plus listed versions
5.36.0-105.36.0-75.36.0-7+deb12u15.36.0-7+deb12u25.36.0-7+deb12u3
Show 38 moreShow less
5.36.0-85.36.0-95.38.0-15.38.0-25.38.0~rc2-15.38.2-15.38.2-25.38.2-35.38.2-3.15.38.2-3.25.38.2-3.2+hurd.15.38.2-45.38.2-55.40.0-15.40.0-25.40.0-35.40.0-45.40.0-55.40.0-65.40.0-75.40.0-85.40.0~rc1-15.40.1-15.40.1-25.40.1-35.40.1-45.40.1-55.40.1-65.40.1-75.40.1-85.42.0-15.42.0-25.42.0-35.42.2-15.42.2-25.42.2-35.42.3-15.44.0-1
 None known
perl
Debian:13
 All versions, plus listed versions
5.40.1-65.40.1-6+deb13u15.40.1-75.40.1-85.42.0-1
Show 7 moreShow less
5.42.0-25.42.0-35.42.2-15.42.2-25.42.2-35.42.3-15.44.0-1
 None known
perl
Debian:14
 All versions, plus listed versions
5.40.1-65.40.1-75.40.1-85.42.0-15.42.0-2
Show 6 moreShow less
5.42.0-35.42.2-15.42.2-25.42.2-35.42.3-15.44.0-1
 None known
Show 16 moreShow less
Affected packages
PackageAffectedFixed
perl-podlators
openEuler:22.03-LTS-SP4
 before 5.01-2.oe2203sp4
5.01-2.oe2203sp4
perl-podlators
openEuler:24.03-LTS-SP1
 before 5.01-3.oe2403sp1
5.01-3.oe2403sp1
perl-podlators
openEuler:24.03-LTS-SP3
 before 5.01-3.oe2403sp3
5.01-3.oe2403sp3
perl-podlators
openEuler:24.03-LTS-SP4
 before 5.01-3.oe2403sp4
5.01-3.oe2403sp4
perl
Root:Debian:12
 before 5.36.0-7+deb12u4.aikido.21
5.36.0-7+deb12u4.aikido.215.36.0-7+deb12u4.aikido.20
rootio-perl
Root:Debian:12
 before 5.36.0-7+deb12u4.aikido.21
5.36.0-7+deb12u4.aikido.215.36.0-7+deb12u4.aikido.20
perl
Root:Debian:13
 before 5.40.1-6+deb13u1.aikido.12
5.40.1-6+deb13u1.aikido.12
rootio-perl
Root:Debian:13
 before 5.40.1-6+deb13u1.aikido.12
5.40.1-6+deb13u1.aikido.12
perl
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
5.14.2-21build15.18.1-45.18.1-4build15.18.1-55.18.2-2
Show 12 moreShow less
5.18.2-2ubuntu15.18.2-2ubuntu1.15.18.2-2ubuntu1.35.18.2-2ubuntu1.45.18.2-2ubuntu1.65.18.2-2ubuntu1.75.18.2-2ubuntu1.7+esm35.18.2-2ubuntu1.7+esm45.18.2-2ubuntu1.7+esm55.18.2-2ubuntu1.7+esm75.18.2-2ubuntu1.7+esm85.18.2-2ubuntu1.7+esm9
 None known
perl
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
5.20.2-65.22.1-35.22.1-45.22.1-55.22.1-7
Show 11 moreShow less
5.22.1-85.22.1-95.22.1-9ubuntu0.25.22.1-9ubuntu0.35.22.1-9ubuntu0.55.22.1-9ubuntu0.65.22.1-9ubuntu0.95.22.1-9ubuntu0.9+esm15.22.1-9ubuntu0.9+esm25.22.1-9ubuntu0.9+esm35.22.1-9ubuntu0.9+esm4
 None known
perl
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
5.26.0-8ubuntu15.26.1-2ubuntu15.26.1-35.26.1-45.26.1-4build1
Show 11 moreShow less
5.26.1-55.26.1-65.26.1-6ubuntu0.15.26.1-6ubuntu0.25.26.1-6ubuntu0.35.26.1-6ubuntu0.55.26.1-6ubuntu0.65.26.1-6ubuntu0.75.26.1-6ubuntu0.7+esm25.26.1-6ubuntu0.7+esm35.26.1-6ubuntu0.7+esm4
 None known
perl
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
5.28.1-6build15.30.0-75.30.0-95.30.0-9build15.30.0-9ubuntu0.2
Show 6 moreShow less
5.30.0-9ubuntu0.35.30.0-9ubuntu0.45.30.0-9ubuntu0.55.30.0-9ubuntu0.5+esm25.30.0-9ubuntu0.5+esm35.30.0-9ubuntu0.5+esm4
 None known
perl
Ubuntu:22.04:LTS
 All versions, plus listed versions
5.32.1-3ubuntu35.34.0-3ubuntu15.34.0-3ubuntu1.15.34.0-3ubuntu1.25.34.0-3ubuntu1.3
Show 5 moreShow less
5.34.0-3ubuntu1.45.34.0-3ubuntu1.55.34.0-3ubuntu1.75.34.0-3ubuntu1.85.34.0-3ubuntu1.9
 None known
perl
Ubuntu:24.04:LTS
 All versions, plus listed versions
5.36.0-9ubuntu15.36.0-10ubuntu15.38.2-35.38.2-3.25.38.2-3.2build1
Show 7 moreShow less
5.38.2-3.2build25.38.2-3.2build2.15.38.2-3.2ubuntu0.15.38.2-3.2ubuntu0.25.38.2-3.2ubuntu0.35.38.2-3.2ubuntu0.45.38.2-3.2ubuntu0.6
 None known
perl
Ubuntu:26.10
 All versions, plus listed versions
5.40.1-7build15.40.1-85.40.1-8ubuntu15.42.3-1
 None known
perl
Ubuntu:26.04:LTS
 All versions, plus listed versions
5.40.1-6build15.40.1-7build15.40.1-7ubuntu0.15.40.1-7ubuntu0.25.40.1-7ubuntu0.3
 None known

History

History
RecordedChangedSources
factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2026-82560 is a high vulnerability (CVSS 7.5) in perl, published September 19, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. Fixed in perl 5.38.2-517.

References

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