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Fencer Vulns
medium 6.9

CVE-2009-3736 json

ltdl.c in libltdl in GNU Libtool 1.5.x, and 2.2.6 before 2.2.6b, as used in Ham Radio Control Libraries, Q, and possibly other products, at…

published 2009-11-27 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3708

cvss
6.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 34%
public exploits
0
none known

Summary

ltdl.c in libltdl in GNU Libtool 1.5.x, and 2.2.6 before 2.2.6b, as used in Ham Radio Control Libraries, Q, and possibly other products, attempts to open a .la file in the current working directory, which allows local users to gain privileges via a Trojan horse file.

Patch / fix

  • lam Debian 14, Debian 13, Debian 12 7.1.2-1.6
  • jags Debian 14, Debian 13, Debian 12 1.0.4-1
  • mp4h Debian 14, Debian 13, Debian 12 1.3.1-4.1
  • sdcc Debian 14, Debian 13, Debian 12 2.9.0-5
  • ggobi Debian 12 2.1.9~20091212-1
  • hypre Debian 14, Debian 13, Debian 12 2.4.0b-5
  • clamav Debian 14, Debian 13, Debian 12 0.95+dfsg-1
  • hamlib Debian 14, Debian 13, Debian 12 1.2.10-1

debian advisories DEBIAN-CVE-2009-3736

  • gcc RHEL 3 3.2.3-60
  • gcc RHEL 4 3.4.6-11.el4_8.1
  • gcc RHEL 5 4.1.2-46.el5_4.2
  • gcc4 RHEL 4 4.1.2-44.EL4_8.1
  • cpp RHEL 3 3.2.3-60
  • cpp RHEL 4 3.4.6-11.el4_8.1
  • cpp RHEL 5 4.1.2-46.el5_4.2
  • libf2c RHEL 3 3.2.3-60

red hat advisories RHSA-2010:0039RHSA-2009:1646

  • GraphicsMagick openSUSE Tumbleweed 1.3.25-1.1

opensuse advisories openSUSE-SU-2024:10505-1

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-2009-3736 updated cvss 6.2

libtool: libltdl may load and execute code from a library in the current directory

  • Red Hat Enterprise Linux 5 gcc44, guile Red Hat Enterprise Linux 6 guile
    affected: no fix planned “Will not fix”
  • Red Hat Desktop version 3 cpp 3.2.3-60, gcc 3.2.3-60, libf2c 3.2.3-60, libgcc 3.2.3-60, libgcj 3.2.3-60, libtool 1.4.3-7, +9 more Red Hat Enterprise Linux (v. 5 server) cpp 4.1.2-46.el5_4.2, gcc 4.1.2-46.el5_4.2, libtool 1.5.22-7.el5_4, libgcc 4.1.2-46.el5_4.2, libgcj 4.1.2-46.el5_4.2, gcc-c++ 4.1.2-46.el5_4.2, +12 more Red Hat Enterprise Linux AS version 3 cpp 3.2.3-60, gcc 3.2.3-60, libf2c 3.2.3-60, libgcc 3.2.3-60, libgcj 3.2.3-60, libtool 1.4.3-7, +11 more Red Hat Enterprise Linux AS version 4 cpp 3.4.6-11.el4_8.1, gcc 3.4.6-11.el4_8.1, gcc4 4.1.2-44.EL4_8.1, libtool 1.5.6-5.el4_8, libf2c 3.4.6-11.el4_8.1, libgcc 3.4.6-11.el4_8.1, +20 more Red Hat Enterprise Linux Desktop (v. 5 client) cpp 4.1.2-46.el5_4.2, gcc 4.1.2-46.el5_4.2, libtool 1.5.22-7.el5_4, libgcc 4.1.2-46.el5_4.2, libgcj 4.1.2-46.el5_4.2, libgnat 4.1.2-46.el5_4.2, +5 more Red Hat Enterprise Linux Desktop version 4 cpp 3.4.6-11.el4_8.1, gcc 3.4.6-11.el4_8.1, gcc4 4.1.2-44.EL4_8.1, libtool 1.5.6-5.el4_8, libf2c 3.4.6-11.el4_8.1, libgcc 3.4.6-11.el4_8.1, +18 more
    +5 more products
    Red Hat Enterprise Linux Desktop Workstation (v. 5 client) gcc 4.1.2-46.el5_4.2, libtool 1.5.22-7.el5_4, gcc-c++ 4.1.2-46.el5_4.2, gcc-gnat 4.1.2-46.el5_4.2, gcc-java 4.1.2-46.el5_4.2, gcc-objc 4.1.2-46.el5_4.2, +3 more Red Hat Enterprise Linux ES version 3 cpp 3.2.3-60, gcc 3.2.3-60, libf2c 3.2.3-60, libgcc 3.2.3-60, libgcj 3.2.3-60, libtool 1.4.3-7, +9 more Red Hat Enterprise Linux ES version 4 cpp 3.4.6-11.el4_8.1, gcc 3.4.6-11.el4_8.1, gcc4 4.1.2-44.EL4_8.1, libtool 1.5.6-5.el4_8, libf2c 3.4.6-11.el4_8.1, libgcc 3.4.6-11.el4_8.1, +18 more Red Hat Enterprise Linux WS version 3 cpp 3.2.3-60, gcc 3.2.3-60, libf2c 3.2.3-60, libgcc 3.2.3-60, libgcj 3.2.3-60, libtool 1.4.3-7, +9 more Red Hat Enterprise Linux WS version 4 cpp 3.4.6-11.el4_8.1, gcc 3.4.6-11.el4_8.1, gcc4 4.1.2-44.EL4_8.1, libtool 1.5.6-5.el4_8, libf2c 3.4.6-11.el4_8.1, libgcc 3.4.6-11.el4_8.1, +18 more
    fixed: vendor fix RHSA-2010:0039
  • Red Hat Enterprise Linux 4 guile Red Hat Enterprise Linux 6 libtool, libtool-ltdl
    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

Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

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.