CVE & CISA-KEV Catalog

CVE-2025-1795

UNSCORED

Description

During an address list folding when a separating comma ends up on a folded line and that line is to be unicode-encoded then the separator itself is also unicode-encoded. Expected behavior is that the separating comma remains a plan comma. This can result in the address header being misinterpreted by some mail servers.

How to fix

Remediation Available
pypy3Debian
Fixed in:7.3.5+dfsg-2+deb11u5CVE-2025-1795
Fixed in:7.3.18+dfsg-1CVE-2025-1795
Fixed in:7.3.18+dfsg-1CVE-2025-1795
libpython3.10Ubuntu
Fixed in:3.10.12-1~22.04.10USN-7570-1
libpython3.10-minimalUbuntu
Fixed in:3.10.12-1~22.04.10USN-7570-1
libpython3.11Ubuntu
Fixed in:3.11.0~rc1-1~22.04.1~esm4USN-7570-1
libpython3.11-minimalUbuntu
Fixed in:3.11.0~rc1-1~22.04.1~esm4USN-7570-1
libpython3.12-minimalUbuntu
Fixed in:3.12.3-1ubuntu0.6USN-7570-1
libpython3.12t64Ubuntu
Fixed in:3.12.3-1ubuntu0.6USN-7570-1
libpython3.6Ubuntu
Fixed in:3.6.9-1~18.04ubuntu1.13+esm5USN-7570-1
libpython3.6-minimalUbuntu
Fixed in:3.6.9-1~18.04ubuntu1.13+esm5USN-7570-1
libpython3.7Ubuntu
Fixed in:3.7.5-2ubuntu1~18.04.2+esm6USN-7570-1
libpython3.7-minimalUbuntu
Fixed in:3.7.5-2ubuntu1~18.04.2+esm6USN-7570-1
libpython3.8Ubuntu
Fixed in:3.8.0-3ubuntu1~18.04.2+esm5USN-7570-1
Fixed in:3.8.10-0ubuntu1~20.04.18+esm1USN-7570-1
libpython3.8-minimalUbuntu
Fixed in:3.8.0-3ubuntu1~18.04.2+esm5USN-7570-1
Fixed in:3.8.10-0ubuntu1~20.04.18+esm1USN-7570-1
libpython3.9Ubuntu
Fixed in:3.9.5-3ubuntu0~20.04.1+esm5USN-7570-1
libpython3.9-minimalUbuntu
Fixed in:3.9.5-3ubuntu0~20.04.1+esm5USN-7570-1
python3.10Ubuntu
Fixed in:3.10.12-1~22.04.10USN-7570-1
python3.10-minimalUbuntu
Fixed in:3.10.12-1~22.04.10USN-7570-1
python3.11Ubuntu
Fixed in:3.11.0~rc1-1~22.04.1~esm4USN-7570-1
python3.11-minimalUbuntu
Fixed in:3.11.0~rc1-1~22.04.1~esm4USN-7570-1
python3.12Ubuntu
Fixed in:3.12.3-1ubuntu0.6USN-7570-1
python3.12-minimalUbuntu
Fixed in:3.12.3-1ubuntu0.6USN-7570-1
python3.6Ubuntu
Fixed in:3.6.9-1~18.04ubuntu1.13+esm5USN-7570-1
python3.6-minimalUbuntu
Fixed in:3.6.9-1~18.04ubuntu1.13+esm5USN-7570-1
python3.7Ubuntu
Fixed in:3.7.5-2ubuntu1~18.04.2+esm6USN-7570-1
python3.7-minimalUbuntu
Fixed in:3.7.5-2ubuntu1~18.04.2+esm6USN-7570-1
python3.8Ubuntu
Fixed in:3.8.0-3ubuntu1~18.04.2+esm5USN-7570-1
Fixed in:3.8.10-0ubuntu1~20.04.18+esm1USN-7570-1
python3.8-minimalUbuntu
Fixed in:3.8.0-3ubuntu1~18.04.2+esm5USN-7570-1
Fixed in:3.8.10-0ubuntu1~20.04.18+esm1USN-7570-1
python3.9Ubuntu
Fixed in:3.9.5-3ubuntu0~20.04.1+esm5USN-7570-1
python3.9-minimalUbuntu
Fixed in:3.9.5-3ubuntu0~20.04.1+esm5USN-7570-1

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

0.57%probability of exploitation in 30 days
43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Related Vulnerabilities

Other CWE-116 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-38475Critical9.1100%KEVFix
CVE-2022-36446Critical9.896%-Fix
CVE-2021-31806Medium6.596%-Fix
CVE-2022-30781High7.588%-Fix
CVE-2022-36099Critical9.976%-Fix
CVE-2022-36100Critical9.974%-Fix
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CVE-2025-1795 severity badge

Markdown

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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 2025-11-03.