Is CVE-2025-15282 in the CISA KEV catalog?

No. CVE-2025-15282 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the EPSS score for CVE-2025-15282?

CVE-2025-15282 has an EPSS score of 0.48% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-15282?

Upgrade pypy3 on debian unstable to 7.3.21+dfsg-1 or later. Fixes are available for 69 affected products.

CVE & CISA-KEV Catalog

CVE-2025-15282

UNSCORED

NVD

Description

User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.

CWE-93

How to fix

Remediation Available

pypy3Debian

Fixed in:7.3.21+dfsg-1CVE-2025-15282

python-unversioned-commandRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python-unversioned-commandRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3Rocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:11-main@aarch64RHSA-2026:8822

Fixed in:11-main@x86_64RHSA-2026:8822

Fixed in:12-main@x86_64RHSA-2026:8824

Fixed in:11-main@srcRHSA-2026:8822

Fixed in:12-main@srcRHSA-2026:8824

Fixed in:12-main@aarch64RHSA-2026:8824

python3Red Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:12-main@x86_64RHSA-2026:8824

Fixed in:12-main@aarch64RHSA-2026:8824

Fixed in:11-main@x86_64RHSA-2026:8822

Fixed in:12-main@srcRHSA-2026:8824

Fixed in:11-main@aarch64RHSA-2026:8822

Fixed in:11-main@srcRHSA-2026:8822

python3-debugRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-debugRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-develRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-develRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-idleRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-idleRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-libsRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-libsRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-testRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-testRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-tkinterRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3-tkinterRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

python3.12Rocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12Red Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-debugRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-debugRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-debuginfoRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-debuginfoRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-debugsourceRocky

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-debugsourceRed Hat / RHEL

Fixed in:0:3.12.13-2.el10_2RHSA-2026:19064

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-develRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-develRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-idleRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-idleRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-libsRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-libsRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-rpm-macrosRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

python3.12-rpm-macrosRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

python3.12-testRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-testRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-tkinterRocky

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

python3.12-tkinterRed Hat / RHEL

Fixed in:0:3.12.13-2.el8_10RHSA-2026:10950

Fixed in:0:3.12.13-2.el9_8RHSA-2026:19177

registry.redhat.io/rhui5/cdsRocky

Fixed in:rhel9@sha256:29229a9b1908d9586aa60ae96ea4cab29316c058665ea4e10bd7d88e3434f38a_amd64RHSA-2026:21275

registry.redhat.io/rhui5/cdsRed Hat / RHEL

Fixed in:rhel9@sha256:29229a9b1908d9586aa60ae96ea4cab29316c058665ea4e10bd7d88e3434f38a_amd64RHSA-2026:21275

registry.redhat.io/rhui5/haproxyRocky

Fixed in:rhel9@sha256:eeceb83a297bdb2778a63fa0e55d441ba316b77be786280746348fdcdeae866d_amd64RHSA-2026:21275

registry.redhat.io/rhui5/haproxyRed Hat / RHEL

Fixed in:rhel9@sha256:eeceb83a297bdb2778a63fa0e55d441ba316b77be786280746348fdcdeae866d_amd64RHSA-2026:21275

registry.redhat.io/rhui5/installerRed Hat / RHEL

Fixed in:rhel9@sha256:fb8d5c681efa515095f164334fde48bb2c4160069ba7512ddbf16a865c65ae17_amd64RHSA-2026:21275

registry.redhat.io/rhui5/installerRocky

Fixed in:rhel9@sha256:fb8d5c681efa515095f164334fde48bb2c4160069ba7512ddbf16a865c65ae17_amd64RHSA-2026:21275

registry.redhat.io/rhui5/rhuaRed Hat / RHEL

Fixed in:rhel9@sha256:ae3724c290b6e0c536cadae4dbe38fc1241fb88520db381e04bfbd1e489989e8_amd64RHSA-2026:21275

registry.redhat.io/rhui5/rhuaRocky

Fixed in:rhel9@sha256:ae3724c290b6e0c536cadae4dbe38fc1241fb88520db381e04bfbd1e489989e8_amd64RHSA-2026:21275

libpython2.7Ubuntu

Fixed in:2.7.6-8ubuntu0.6+esm29USN-8018-3

Fixed in:2.7.12-1ubuntu0~16.04.18+esm19USN-8018-3

Fixed in:2.7.17-1~18.04ubuntu1.13+esm14USN-8018-3

Fixed in:2.7.18-1~20.04.7+esm9USN-8018-3

Fixed in:2.7.18-13ubuntu1.5+esm8USN-8018-3

libpython3.10Ubuntu

Fixed in:3.10.12-1~22.04.14USN-8018-1

libpython3.11Ubuntu

Fixed in:3.11.0~rc1-1~22.04.1~esm8USN-8018-1

libpython3.12t64Ubuntu

Fixed in:3.12.3-1ubuntu0.11USN-8018-1

libpython3.13Ubuntu

Fixed in:3.13.7-1ubuntu0.3USN-8018-1

libpython3.14Ubuntu

Fixed in:3.14.0-1ubuntu0.2USN-8018-1

libpython3.4Ubuntu

Fixed in:3.4.3-1ubuntu1~14.04.7+esm19USN-8018-1

libpython3.5Ubuntu

Fixed in:3.5.2-2ubuntu0~16.04.4~14.04.1+esm9USN-8018-1

Fixed in:3.5.2-2ubuntu0~16.04.13+esm21USN-8018-1

libpython3.6Ubuntu

Fixed in:3.6.9-1~18.04ubuntu1.13+esm8USN-8018-1

libpython3.7Ubuntu

Fixed in:3.7.5-2ubuntu1~18.04.2+esm9USN-8018-1

libpython3.8Ubuntu

Fixed in:3.8.0-3ubuntu1~18.04.2+esm9USN-8018-1

Fixed in:3.8.10-0ubuntu1~20.04.18+esm5USN-8018-1

libpython3.9Ubuntu

Fixed in:3.9.5-3ubuntu0~20.04.1+esm9USN-8018-1

python2.7Ubuntu

Fixed in:2.7.6-8ubuntu0.6+esm29USN-8018-3

Fixed in:2.7.12-1ubuntu0~16.04.18+esm19USN-8018-3

Fixed in:2.7.17-1~18.04ubuntu1.13+esm14USN-8018-3

Fixed in:2.7.18-1~20.04.7+esm9USN-8018-3

Fixed in:2.7.18-13ubuntu1.5+esm8USN-8018-3

python3.10Ubuntu

Fixed in:3.10.12-1~22.04.14USN-8018-1

python3.11Ubuntu

Fixed in:3.11.0~rc1-1~22.04.1~esm8USN-8018-1

python3.12Ubuntu

Fixed in:3.12.3-1ubuntu0.11USN-8018-1

python3.13Ubuntu

Fixed in:3.13.7-1ubuntu0.3USN-8018-1

python3.14Ubuntu

Fixed in:3.14.0-1ubuntu0.2USN-8018-1

python3.4Ubuntu

Fixed in:3.4.3-1ubuntu1~14.04.7+esm19USN-8018-1

python3.5Ubuntu

Fixed in:3.5.2-2ubuntu0~16.04.4~14.04.1+esm9USN-8018-1

Fixed in:3.5.2-2ubuntu0~16.04.13+esm21USN-8018-1

python3.6Ubuntu

Fixed in:3.6.9-1~18.04ubuntu1.13+esm8USN-8018-1

python3.7Ubuntu

Fixed in:3.7.5-2ubuntu1~18.04.2+esm9USN-8018-1

python3.8Ubuntu

Fixed in:3.8.0-3ubuntu1~18.04.2+esm9USN-8018-1

Fixed in:3.8.10-0ubuntu1~20.04.18+esm5USN-8018-1

python3.9Ubuntu

Fixed in:3.9.5-3ubuntu0~20.04.1+esm9USN-8018-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.48%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Other references9

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-26.