9.8crit

CVE-2018-18751

An issue was discovered in GNU gettext 0.19.8.

Published 8 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
4.3%
percentile 91%
Public exploits
0
none known

Summary

An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.

Exploit prediction (EPSS)

4.26% probability of exploitation in the next 30 days, higher than 91% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

  • usn.ubuntu.com /3815-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /3815-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • github.com /CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/heapcorruption · x_refsource_MISC, x_transferred
  • github.com /CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/doublefree · x_refsource_MISC, x_transferred
  • access.redhat.com /errata/RHSA-2019:3643 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2020-08/msg00061.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2020-08/msg00065.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2020-09/msg00025.html · vendor-advisory, x_refsource_SUSE, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.