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Fencer Vulns
medium 4.3

CVE-2024-39133 json

Heap Buffer Overflow vulnerability in zziplib v0.13.77 allows attackers to cause a denial of service via the __zzip_parse_root_directory()…

published 2024-06-27 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-37846

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

Heap Buffer Overflow vulnerability in zziplib v0.13.77 allows attackers to cause a denial of service via the __zzip_parse_root_directory() function at /zzip/zip.c.

Patch / fix

  • zziplib Debian 14, Debian 13 0.13.78+dfsg.1-0.1

debian advisories DEBIAN-CVE-2024-39133

  • zziplib openSUSE Tumbleweed 0.13.78-1.1

opensuse advisories openSUSE-SU-2024:14259-1

  • zziplib Azure Linux 3.0 0.13.74-1

azure linux advisories AZL-44520

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-39133 updated cvss 5.5

zziplib: Heap buffer overflow in the __zzip_parse_root_directory() function at /zzip/zip.c

  • Red Hat Enterprise Linux 7 zziplib, zziplib-utils Red Hat Enterprise Linux 8 zziplib, zziplib-utils Red Hat Enterprise Linux 9 zziplib, zziplib-utils
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 10 zziplib
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/gdraheim/zziplib/issues/164 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected products

  • zziplib_project zziplib

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.