Medium severityNVD Advisory· Published Aug 7, 2026· Updated Aug 10, 2026
CVE-2026-71870
CVE-2026-71870
Description
pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause large memory consumption when pypdf/_cmap.py function parse_bfrange parses unusually large source-code or destination-string tokens in a font /ToUnicode CMap during text extraction. This issue is fixed in 6.15.0.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
pypdfPyPI | < 6.15.0 | 6.15.0 |
Affected products
6- osv-coords5 versionspkg:apk/chainguard/litellmpkg:apk/wolfi/open-webuipkg:apk/chainguard/nemopkg:apk/chainguard/open-webuipkg:rpm/opensuse/python-pypdf&distro=openSUSE%20Tumbleweed
< 1.96.2-r0+ 4 more
- (no CPE)range: < 1.96.2-r0
- (no CPE)range: < 0.11.0-r8
- (no CPE)range: < 2.7.3-r17
- (no CPE)range: < 0.11.0-r8
- (no CPE)range: < 6.16.2-1.1
Patches
Vulnerability mechanics
References
5News mentions
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