Linux · 
Ubuntu · Package update · July 7, 2026
Ubuntu · Package update · July 7, 2026libpython3.12-stdlib 3.12.3-1ubuntu0.15: libpython3.12-stdlib 3.12.3-1ubuntu0.15 for Ubuntu 24.04.5 LTS (noble)
libpython3.12-stdlib 3.12.3-1ubuntu0.15, released July 7, 2026, fixes 15 CVEs in libpython3.12-stdlib. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
15
None rated Critical
Exploited
0
None reported
Highest CVSS
9.1
Base score, 0 to 10
Highest EPSS
0.0072
54th percentile
Priority of the 15 CVEs
Patch now 0
Urgent 0
High 11
Routine 4
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libpython3.12-stdlib | Ubuntu 24.04.5 LTS (noble) | 3.12.3-1ubuntu0.15 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-4224 | Stack overflow parsing XML with deeply nested DTD content models | 8.1 | 0.0072 | None reported |
| High | CVE-2025-69534 | python3.13: Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLPar... | 8.2 | 0.0066 | None reported |
| High | CVE-2026-6100 | Use-after-free in lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile after re-use under memory pressure | 9.1 | 0.0059 | None reported |
| High | CVE-2026-1299 | email BytesGenerator header injection due to unquoted newlines | 7.1 | 0.0057 | None reported |
| High | CVE-2026-1502 | HTTP client proxy tunnel headers not validated for CR/LF | 8.1 | 0.0054 | None reported |
| High | CVE-2026-3644 | Incomplete control character validation in http.cookies | 8.1 | 0.0051 | None reported |
| High | CVE-2026-9669 | bz2.BZ2Decompressor reuse after error can cause a stack buffer overflow | 8.2 | 0.0043 | None reported |
| High | CVE-2026-4519 | webbrowser.open() allows leading dashes in URLs | 8.1 | 0.0032 | None reported |
| High | CVE-2026-4786 | Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open() | 8.1 | 0.0030 | None reported |
| High | CVE-2026-2297 | SourcelessFileLoader does not use io.open_code() | 8.1 | 0.0022 | None reported |
| High | CVE-2026-6019 | BaseCookie.js_output() does not neutralize embedded characters | 7.1 | 0.0021 | None reported |
| Routine | CVE-2026-7774 | tarfile.data_filter path traversal bypass allows writing outside the extraction directory | 6.9 | 0.0060 | None reported |
| Routine | CVE-2026-3276 | Potential DoS via quadratic complexity in unicodedata.normalize() | 6.3 | 0.0049 | None reported |
| Routine | CVE-2026-8328 | FTP PASV SSRF, ftpcp() does not use actual peer address, trusts server-supplied PASV host address | 5.9 | 0.0046 | None reported |
| Routine | CVE-2025-13462 | tarfile: Skip DIRTYPE normalization during GNU LONGNAME/LONGLINK handling | 3.3 | 0.0018 | None reported |
Showing 1 to 15 of 15
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